Recognised as Colour
#18FEF7
- #18FEF7
- Cyan
- Light
- Nearest: Aqua
#18FEF7 is a cyan with RGB values 24, 254, 247 and HSL 178°, 99%, 55%. It is a light colour, so black text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Aqua.
Colour values
#18FEF7#18FEF7
HEX#18FEF7
RGBrgb(24, 254, 247)
RGB (0–1)0.0941, 0.9961, 0.9686
RGB percentages9.4%, 99.6%, 96.9%
HSLhsl(178.2, 99.1%, 54.5%)
HSV / HSBhsv(178.2, 90.6%, 99.6%)
CMYK90.6%, 0%, 2.8%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,638,135
CSS custom property--colour: #18FEF7;
Brightness & contrast
Relative luminance0.77793WCAG 2.x, 0 is black and 1 is white
Perceived brightness212.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.56:1
Contrast with white1.27:1WCAG normal text: Fail
Contrast with black16.56:1WCAG normal text: AAA
Greyscale equivalent#CDCDCD
Inverted#E70108
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 text16.56:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FE181F
Analogous#18FE84, #1892FE
Triadic#F718FE, #FEF718
Split complementary#FE1892, #FE8418
Tetradic#8418FE, #FE181F, #92FE18
Tints, shades & saturation
Channel breakdown
R24
G254
B247
Red24 (9.4%)
Green254 (99.6%)
Blue247 (96.9%)
Hue178.17°
Saturation (HSL)99.14%
Lightness54.51%
Dominant channelGreen
Hex per channelR 18 · G FE · B F7
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