Recognised as Colour
#1FFFE4
- #1FFFE4
- Cyan
- Light
- Nearest: Aquamarine
#1FFFE4 is a cyan with RGB values 31, 255, 228 and HSL 173°, 100%, 56%. It is a light colour, so black text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.
Colour values
#1FFFE4#1FFFE4
HEX#1FFFE4
RGBrgb(31, 255, 228)
RGB (0–1)0.1216, 1, 0.8941
RGB percentages12.2%, 100%, 89.4%
HSLhsl(172.8, 100%, 56.1%)
HSV / HSBhsv(172.8, 87.8%, 100%)
CMYK87.8%, 0%, 10.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,097,124
CSS custom property--colour: #1FFFE4;
Brightness & contrast
Relative luminance0.77413WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.48:1
Contrast with white1.27:1WCAG normal text: Fail
Contrast with black16.48:1WCAG normal text: AAA
Greyscale equivalent#CDCDCD
Inverted#E0001B
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.27:1WCAG large text: Fail
Contrast with black, large text16.48:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF1F3A
Analogous#1FFF74, #1FAAFF
Triadic#E41FFF, #FFE41F
Split complementary#FF1FAA, #FF741F
Tetradic#741FFF, #FF1F3A, #AAFF1F
Tints, shades & saturation
Channel breakdown
R31
G255
B228
Red31 (12.2%)
Green255 (100%)
Blue228 (89.4%)
Hue172.77°
Saturation (HSL)100%
Lightness56.08%
Dominant channelGreen
Hex per channelR 1F · G FF · B E4
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