Recognised as Colour
#31FFDA
- #31FFDA
- Cyan
- Light
- Nearest: Aquamarine
#31FFDA is a cyan with RGB values 49, 255, 218 and HSL 169°, 100%, 60%. It is a light colour, so black text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.
Colour values
#31FFDA#31FFDA
HEX#31FFDA
RGBrgb(49, 255, 218)
RGB (0–1)0.1922, 1, 0.8549
RGB percentages19.2%, 100%, 85.5%
HSLhsl(169.2, 100%, 59.6%)
HSV / HSBhsv(169.2, 80.8%, 100%)
CMYK80.8%, 0%, 14.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,276,762
CSS custom property--colour: #31FFDA;
Brightness & contrast
Relative luminance0.77235WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.45:1
Contrast with white1.28:1WCAG normal text: Fail
Contrast with black16.45:1WCAG normal text: AAA
Greyscale equivalent#D1D1D1
Inverted#CE0025
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.28:1WCAG large text: Fail
Contrast with black, large text16.45:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF3156
Analogous#31FF73, #31BDFF
Triadic#DA31FF, #FFDA31
Split complementary#FF31BD, #FF7331
Tetradic#7331FF, #FF3156, #BDFF31
Tints, shades & saturation
Channel breakdown
R49
G255
B218
Red49 (19.2%)
Green255 (100%)
Blue218 (85.5%)
Hue169.22°
Saturation (HSL)100%
Lightness59.61%
Dominant channelGreen
Hex per channelR 31 · G FF · B DA
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