Colour Arcade

All games

• Spot the Different

  One tile is a slightly different shade. Find it before the clock runs out.

  PerceptionPlay Spot the Different
• Colour Match

  Mix the target colour by eye with hue, saturation and lightness sliders.

  PerceptionPlay Colour Match
• Colour Memory

  See a colour for a few seconds, then rebuild it from memory.

  PerceptionPlay Colour Memory
• Hue Hunter

  Find the exact hue of a colour on the colour wheel.

  PerceptionPlay Hue Hunter
• Blue or Green?

  Is it blue or green? Find where your own boundary is, then see how you compare.

  PerceptionPlay Blue or Green?
• Lightness Ladder

  Put colours of different hues in order from darkest to lightest.

  PerceptionPlay Lightness Ladder
• Complement Challenge

  Pick the true complement of each colour from four look-alikes.

  TheoryPlay Complement Challenge
• Warm vs Cool

  Sort colours into warm and cool against the clock, including the tricky in-betweens.

  TheoryPlay Warm vs Cool
• The Missing Colour

  A palette has a gap. Pick the colour that completes the step.

  TheoryPlay The Missing Colour
• What the HEX?

  Read a HEX code and pick the colour it makes.

  CodesPlay What the HEX?
• HEX Detective

  See a colour, pick its HEX code from four suspects.

  CodesPlay HEX Detective
• RGB Master

  Mix the colour with red, green and blue light sliders.

  CodesPlay RGB Master
• HSL Slider Challenge

  See a colour, then set its hue, saturation and lightness numbers without a live preview.

  CodesPlay HSL Slider Challenge
• Guess the Colour Name

  Teal, coral, ochre or mauve? Match colour names to swatches.

  CodesPlay Guess the Colour Name
• Pixel Sniper

  Find the exact spot in a gradient that has the given HEX code.

  CodesPlay Pixel Sniper
• Colour Sequence

  Watch the pads light up and repeat the colour sequence. It grows by one every turn.

  Memory and puzzlesPlay Colour Sequence
• Colour Pairs

  Turn cards and find matching colour pairs in as few moves as you can.

  Memory and puzzlesPlay Colour Pairs
• Gradient Puzzle

  Tiles of a smooth gradient are scrambled. Swap them back into place.

  Memory and puzzlesPlay Gradient Puzzle
• Memory Stack

  A stack of colours shows briefly. Rebuild it in the right order.

  Memory and puzzlesPlay Memory Stack
• Daily Colourle

  One hidden colour a day. Six guesses, with hints for each channel.

  DailyPlay Daily Colourle
• Colour Speed Test

  Colour words in clashing inks. Name the ink, not the word, as fast as you can.

  PerceptionPlay Colour Speed Test
• Red or Orange?

  Vermilion, scarlet, coral: is it red or orange? Find your own line.

  PerceptionPlay Red or Orange?
• Pink or Purple?

  Magenta, orchid, fuchsia: pink or purple? Find your own line.

  PerceptionPlay Pink or Purple?
• Chroma Challenge

  Different hues, same lightness. Pick the most colourful one.

  PerceptionPlay Chroma Challenge
• Harmony Architect

  Analogous, triadic, split-complementary: pick the palette that follows the harmony.

  TheoryPlay Harmony Architect
• Colour Wheel Master

  Put the hues back in colour-wheel order, starting from red.

  TheoryPlay Colour Wheel Master
• Build the Perfect Palette

  A brief asks for a mood. Pick five colours that fit every rule.

  TheoryPlay Build the Perfect Palette
• Palette Rescue

  One colour breaks the palette. Find it, then pick the best fix.

  TheoryPlay Palette Rescue
• Monochromatic Master

  Which palette uses only one hue? The impostors drift less each round.

  TheoryPlay Monochromatic Master
• Gradient Architect

  Rebuild a gradient by setting its start and end colours.

  TheoryPlay Gradient Architect
• Colour Balance

  Give each colour its share of a 60-30-10 layout: calm base, support, vivid accent.

  TheoryPlay Colour Balance
• Colour Code Decoder

  HEX, rgb(), hsl() or oklch(): decode the code and pick its colour.

  CodesPlay Colour Code Decoder
• HEX Memory

  See a colour and its code for a moment, then type the code from memory.

  CodesPlay HEX Memory
• Colour Name Detective

  Six suspects from the same family. Which name is closest to the swatch?

  CodesPlay Colour Name Detective
• Colour Conversion Race

  HEX to RGB, RGB to HEX, HSL to HEX: convert faster than the clock.

  CodesPlay Colour Conversion Race
• Colour Sudoku

  Fill the grid so every row, column and box has each colour once.

  Memory and puzzlesPlay Colour Sudoku
• Mix to Match

  Add drops of real paint colours to mix the target. Fewer drops, more points.

  Memory and puzzlesPlay Mix to Match
• Hue Drop

  Colour tiles fall. Drop each into the column whose gradient it continues.

  Memory and puzzlesPlay Hue Drop
• Chromatic Maze

  Cross the board by stepping only to the nearest shade.

  Memory and puzzlesPlay Chromatic Maze
• The Vanishing Palette

  A palette loses one colour. Which one vanished?

  Memory and puzzlesPlay The Vanishing Palette
• Colour Connect

  Connect each colour on the left to its twin shade on the right.

  Memory and puzzlesPlay Colour Connect
• Colour Vision Explorer

  See how a palette shifts in a colour-vision simulation, then match each simulated colour to its original.

  AccessibilityPlay Colour Vision Explorer
• Find the Conflicting Pair

  Which two colours would merge in the named simulation? Find the pair before the reveal.

  AccessibilityPlay Find the Conflicting Pair
• Accessible Palette Builder

  Adjust one colour until it stands apart for everyone and keeps its contrast.

  AccessibilityPlay Accessible Palette Builder
• Contrast Champion

  Which text and background pair passes WCAG? Read it like an auditor.

  AccessibilityPlay Contrast Champion
• Pattern Detective

  The chart is in greyscale. Use the legend patterns to find each series.

  AccessibilityPlay Pattern Detective
• Accessible Chart Challenge

  Four chart palettes. Which one stays readable in every simulation?

  AccessibilityPlay Accessible Chart Challenge
• Signal Separation

  Error and success must differ in more than hue. Pick the pair that stays apart.

  AccessibilityPlay Signal Separation
• Dark Mode Rescue

  A brand colour fails on the dark background. Lighten it just enough to pass.

  AccessibilityPlay Dark Mode Rescue
• Colour and Symbol Match

  Statuses in a simulated view. Find each one by its symbol and label.

  AccessibilityPlay Colour and Symbol Match
• Design for Everyone

  Buttons, links and alerts: answer quick accessibility checks on a real interface.

  AccessibilityPlay Design for Everyone
• Flag Colours Quiz

  A palette of flag colours. Which flag is it?

  FlagsPlay Flag Colours Quiz
• Rebuild the Flag

  The flag lost its colours. Paint each numbered area back.

  FlagsPlay Rebuild the Flag
• Flag Memory

  A flag shows for a moment. Which colours were in it?

  FlagsPlay Flag Memory
• World Colour Challenge

  Four flags from around the world: which has no red, the most colours, or blue?

  FlagsPlay World Colour Challenge
• African Flags

  Flags of Africa by their colours: name the flag, or find it.

  FlagsPlay African Flags
• European Flags

  Flags of Europe by their colours: name the flag, or find it.

  FlagsPlay European Flags
• Asian Flags

  Flags of Asia by their colours: name the flag, or find it.

  FlagsPlay Asian Flags
• Flag Colour Code Master

  Every red is a different red. Pick the exact HEX of a flag colour.

  FlagsPlay Flag Colour Code Master
• Flag Colour Twins

  Find the flag that uses the same set of colours.

  FlagsPlay Flag Colour Twins
• Flag World Cup

  Pick a team and win four colour duels to lift the cup.

  FlagsPlay Flag World Cup
• Paint This Room

  Pick real paint shades for the wall, trim and accent to fit the brief.

  PaintPlay Paint This Room
• Bedroom Makeover

  The bedding is chosen. Pick the calm wall shade that goes with it.

  PaintPlay Bedroom Makeover
• Exterior Architect

  Choose the body, trim and door colours of a house from real paint shades.

  PaintPlay Exterior Architect
• Find the Paint Shade

  A real paint colour: which brand shade is it?

  PaintPlay Find the Paint Shade
• Paint Pairing Challenge

  Tone-on-tone, crisp contrast or bold accent: pick the shade that pairs.

  PaintPlay Paint Pairing Challenge
• The Feature Wall

  Pick the shade that makes a feature wall: bolder, but the same warmth.

  PaintPlay The Feature Wall
• Finish Detective

  Matt, satin, semi-gloss or gloss? Name the finish of real paint products.

  PaintPlay Finish Detective
• Painter's Estimator

  How many litres for this room? Use the product's published coverage.

  PaintPlay Painter's Estimator
• The Colour Consultant

  A client describes the room. Pick the real shade that answers the brief.

  PaintPlay The Colour Consultant
• Renovation Rescue

  Something is wrong with this room. Diagnose it, then pick the fix.

  PaintPlay Renovation Rescue
• Wavelength Explorer Quiz

  Match wavelengths of light to their colours, nanometre by nanometre.

  SciencePlay Wavelength Explorer Quiz
• Build the Rainbow

  Put spectral colours in order from red to violet.

  SciencePlay Build the Rainbow
• Prism Challenge

  Turn the light into the prism until the target colour lands on the mark.

  SciencePlay Prism Challenge
• Spectrum Detective

  Two beams of light make this colour. Which two wavelengths?

  SciencePlay Spectrum Detective
• Star Colour Challenge

  Red, orange, white, blue: which star is hottest?

  SciencePlay Star Colour Challenge
• Planet Colour Explorer

  Colours sampled from real photographs. Which world are they from?

  SciencePlay Planet Colour Explorer
• Galaxy Palette Match

  Nebulae, galaxies, clusters: match each object to its observed palette.

  SciencePlay Galaxy Palette Match
• CMB Temperature Challenge

  Read the CMB Colour Lab scale: which temperature difference is this colour?

  SciencePlay CMB Temperature Challenge
• Light vs Pigment

  Mix as light or mix as paint: the same two colours give very different results.

  SciencePlay Light vs Pigment
• Colour Science Master

  A mixed run of every science round: light, stars, prisms and the CMB.

  SciencePlay Colour Science Master
• Daily Palette Challenge

  Three briefs a day. Tune five colours until every rule passes.

  CreativePlay Daily Palette Challenge
• Colour Moodboard Battle

  Two players, one device: which palette fits the mood? Fastest right answers win.

  CreativePlay Colour Moodboard Battle
• Gradient Artist

  Paint a three-stop gradient to a brief: a sunset, a smooth fade, a vivid sweep.

  CreativePlay Gradient Artist
• Pattern Maker Challenge

  Pick background and motif colours so the pattern reads and harmonises.

  CreativePlay Pattern Maker Challenge
• Logo Colour Challenge

  A brand brief: pick the mark, text and background colours that fit and read.

  CreativePlay Logo Colour Challenge
• Poster Designer

  Background, title and accent: design a poster that reads from across the room.

  CreativePlay Poster Designer
• Colour Storyteller

  A scene in words. Which palette tells the story?

  CreativePlay Colour Storyteller
• Glass Designer

  Set the glass tint so the text reads, while the colour behind still shows.

  CreativePlay Glass Designer
• Pixel Art Challenge

  Copy a little pixel picture with its palette, cell by cell.

  CreativePlay Pixel Art Challenge
• Colour Remix

  Darker, pastel, complementary: pick the palette remixed by the rule.

  CreativePlay Colour Remix
• Colour Duel

  Two players, one device: lighter, warmer or more vivid? First to answer right wins the round.

  DailyPlay Colour Duel
• Palette Battle

  Same brief, two players: who builds the better palette?

  DailyPlay Palette Battle
• Colour Trivia

  Questions from the site's own data: names, flags, light, stars and codes.

  DailyPlay Colour Trivia
• Name That Shade

  A real paint shade: which colour family is it? Twenty fast rounds.

  DailyPlay Name That Shade
• Speed Palette

  Tap the three colours that make the named harmony, against the clock.

  DailyPlay Speed Palette
• Colour World Cup

  Back a named colour through a knockout of colour duels.

  DailyPlay Colour World Cup
• Designer vs Designer

  Two players mix the same colour by eye. Closer wins each round.

  DailyPlay Designer vs Designer
• Colour Streak

  Quick colour questions until your first mistake. How long can you go?

  DailyPlay Colour Streak
• The Ultimate Colour Quiz

  Every kind of colour round in one long quiz: codes, theory, flags, paint and space.

  DailyPlay The Ultimate Colour Quiz

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