Recognised as Colour
#18F6FF
- #18F6FF
- Cyan
- Light
- Nearest: Aqua
#18F6FF is a cyan with RGB values 24, 246, 255 and HSL 182°, 100%, 55%. It is a light colour, so black text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Aqua.
Colour values
#18F6FF#18F6FF
HEX#18F6FF
RGBrgb(24, 246, 255)
RGB (0–1)0.0941, 0.9647, 1
RGB percentages9.4%, 96.5%, 100%
HSLhsl(182.3, 100%, 54.7%)
HSV / HSBhsv(182.3, 90.6%, 100%)
CMYK90.6%, 3.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,636,095
CSS custom property--colour: #18F6FF;
Brightness & contrast
Relative luminance0.73326WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.67:1
Contrast with white1.34:1WCAG normal text: Fail
Contrast with black15.67:1WCAG normal text: AAA
Greyscale equivalent#C7C7C7
Inverted#E70900
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.34:1WCAG large text: Fail
Contrast with black, large text15.67:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF2118
Analogous#18FF94, #1883FF
Triadic#FF18F6, #F6FF18
Split complementary#FF1883, #FF9418
Tetradic#9418FF, #FF2118, #83FF18
Tints, shades & saturation
Channel breakdown
R24
G246
B255
Red24 (9.4%)
Green246 (96.5%)
Blue255 (100%)
Hue182.34°
Saturation (HSL)100%
Lightness54.71%
Dominant channelBlue
Hex per channelR 18 · G F6 · B FF
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