Colour
#00A4A1
- #00A4A1
- Cyan
- Dark
- Nearest: Light seagreen
#00A4A1 is a cyan with RGB values 0, 164, 161 and HSL 179°, 100%, 32%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Light seagreen.
Colour values
#00A4A1#00A4A1
HEX#00A4A1
RGBrgb(0, 164, 161)
RGB (0–1)0, 0.6431, 0.6314
RGB percentages0%, 64.3%, 63.1%
HSLhsl(178.9, 100%, 32.2%)
HSV / HSBhsv(178.9, 100%, 64.3%)
CMYK100%, 0%, 1.8%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer42,145
CSS custom property--colour: #00A4A1;
Brightness & contrast
Relative luminance0.29124WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.82:1
Contrast with white3.08:1WCAG normal text: Fail
Contrast with black6.82:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#FF5B5E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.08:1WCAG large text: AA
Contrast with black, large text6.82:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A40003
Analogous#00A44F, #0055A4
Triadic#A100A4, #A4A100
Split complementary#A40055, #A44F00
Tetradic#4F00A4, #A40003, #55A400
Tints, shades & saturation
Channel breakdown
R0
G164
B161
Red0 (0%)
Green164 (64.3%)
Blue161 (63.1%)
Hue178.9°
Saturation (HSL)100%
Lightness32.16%
Dominant channelGreen
Hex per channelR 00 · G A4 · B A1
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