Recognised as Colour
#37A497
- #37A497
- Cyan
- Dark
- Nearest: Light seagreen
#37A497 is a cyan with RGB values 55, 164, 151 and HSL 173°, 50%, 43%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Light seagreen.
Colour values
#37A497#37A497
HEX#37A497
RGBrgb(55, 164, 151)
RGB (0–1)0.2157, 0.6431, 0.5922
RGB percentages21.6%, 64.3%, 59.2%
HSLhsl(172.8, 49.8%, 42.9%)
HSV / HSBhsv(172.8, 66.5%, 64.3%)
CMYK66.5%, 0%, 7.9%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,646,615
CSS custom property--colour: #37A497;
Brightness & contrast
Relative luminance0.29598WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.92:1
Contrast with white3.03:1WCAG normal text: Fail
Contrast with black6.92:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#C85B68
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.03:1WCAG large text: AA
Contrast with black, large text6.92:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A43744
Analogous#37A461, #377BA4
Triadic#9737A4, #A49737
Split complementary#A4377B, #A46137
Tetradic#6137A4, #A43744, #7BA437
Tints, shades & saturation
Channel breakdown
R55
G164
B151
Red55 (21.6%)
Green164 (64.3%)
Blue151 (59.2%)
Hue172.84°
Saturation (HSL)49.77%
Lightness42.94%
Dominant channelGreen
Hex per channelR 37 · G A4 · B 97
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