Recognised as Colour
#27FFDD
- #27FFDD
- Cyan
- Light
- Nearest: Aquamarine
#27FFDD is a cyan with RGB values 39, 255, 221 and HSL 171°, 100%, 58%. 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
#27FFDD#27FFDD
HEX#27FFDD
RGBrgb(39, 255, 221)
RGB (0–1)0.1529, 1, 0.8667
RGB percentages15.3%, 100%, 86.7%
HSLhsl(170.6, 100%, 57.6%)
HSV / HSBhsv(170.6, 84.7%, 100%)
CMYK84.7%, 0%, 13.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,621,405
CSS custom property--colour: #27FFDD;
Brightness & contrast
Relative luminance0.77172WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.43:1
Contrast with white1.28:1WCAG normal text: Fail
Contrast with black16.43:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#D80022
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 text16.43:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF2749
Analogous#27FF71, #27B5FF
Triadic#DD27FF, #FFDD27
Split complementary#FF27B5, #FF7127
Tetradic#7127FF, #FF2749, #B5FF27
Tints, shades & saturation
Channel breakdown
R39
G255
B221
Red39 (15.3%)
Green255 (100%)
Blue221 (86.7%)
Hue170.56°
Saturation (HSL)100%
Lightness57.65%
Dominant channelGreen
Hex per channelR 27 · G FF · B DD
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