Colour
#40906C
- #40906C
- Cyan
- Dark
- Nearest: Sea green
#40906C is a cyan with RGB values 64, 144, 108 and HSL 153°, 38%, 41%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Sea green.
Colour values
#40906C#40906C
HEX#40906C
RGBrgb(64, 144, 108)
RGB (0–1)0.251, 0.5647, 0.4235
RGB percentages25.1%, 56.5%, 42.4%
HSLhsl(153, 38.5%, 40.8%)
HSV / HSBhsv(153, 55.6%, 56.5%)
CMYK55.6%, 0%, 25%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,231,276
CSS custom property--colour: #40906C;
Brightness & contrast
Relative luminance0.22119WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.42:1
Contrast with white3.87:1WCAG normal text: Fail
Contrast with black5.42:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#BF6F93
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.87:1WCAG large text: AA
Contrast with black, large text5.42:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#904064
Analogous#409044, #408C90
Triadic#6C4090, #906C40
Split complementary#90408C, #904440
Tetradic#444090, #904064, #8C9040
Tints, shades & saturation
Channel breakdown
R64
G144
B108
Red64 (25.1%)
Green144 (56.5%)
Blue108 (42.4%)
Hue153°
Saturation (HSL)38.46%
Lightness40.78%
Dominant channelGreen
Hex per channelR 40 · G 90 · B 6C
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