Recognised as Colour
#1B9A88
- #1B9A88
- Cyan
- Dark
- Nearest: Light seagreen
#1B9A88 is a cyan with RGB values 27, 154, 136 and HSL 171°, 70%, 35%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Light seagreen.
Colour values
#1B9A88#1B9A88
HEX#1B9A88
RGBrgb(27, 154, 136)
RGB (0–1)0.1059, 0.6039, 0.5333
RGB percentages10.6%, 60.4%, 53.3%
HSLhsl(171.5, 70.2%, 35.5%)
HSV / HSBhsv(171.5, 82.5%, 60.4%)
CMYK82.5%, 0%, 11.7%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,809,032
CSS custom property--colour: #1B9A88;
Brightness & contrast
Relative luminance0.25122WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.02:1
Contrast with white3.49:1WCAG normal text: Fail
Contrast with black6.02:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#E46577
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.49:1WCAG large text: AA
Contrast with black, large text6.02:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9A1B2D
Analogous#1B9A48, #1B6D9A
Triadic#881B9A, #9A881B
Split complementary#9A1B6C, #9A491B
Tetradic#491B9A, #9A1B2D, #6C9A1B
Tints, shades & saturation
Channel breakdown
R27
G154
B136
Red27 (10.6%)
Green154 (60.4%)
Blue136 (53.3%)
Hue171.5°
Saturation (HSL)70.17%
Lightness35.49%
Dominant channelGreen
Hex per channelR 1B · G 9A · B 88
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