Colour
#00A4A7
- #00A4A7
- Cyan
- Dark
- Nearest: Light seagreen
#00A4A7 is a cyan with RGB values 0, 164, 167 and HSL 181°, 100%, 33%. 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
#00A4A7#00A4A7
HEX#00A4A7
RGBrgb(0, 164, 167)
RGB (0–1)0, 0.6431, 0.6549
RGB percentages0%, 64.3%, 65.5%
HSLhsl(181.1, 100%, 32.7%)
HSV / HSBhsv(181.1, 100%, 65.5%)
CMYK100%, 1.8%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer42,151
CSS custom property--colour: #00A4A7;
Brightness & contrast
Relative luminance0.29341WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.87:1
Contrast with white3.06:1WCAG normal text: Fail
Contrast with black6.87:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#FF5B58
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.06:1WCAG large text: AA
Contrast with black, large text6.87:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A70300
Analogous#00A757, #0050A7
Triadic#A700A4, #A4A700
Split complementary#A70051, #A75600
Tetradic#5600A7, #A70300, #50A700
Tints, shades & saturation
Channel breakdown
R0
G164
B167
Red0 (0%)
Green164 (64.3%)
Blue167 (65.5%)
Hue181.08°
Saturation (HSL)100%
Lightness32.75%
Dominant channelBlue
Hex per channelR 00 · G A4 · B A7
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