Colour
#90A4A1
- #90A4A1
- Cyan
- Dark
- Nearest: Dark grey
#90A4A1 is a cyan with RGB values 144, 164, 161 and HSL 171°, 10%, 60%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark grey.
Colour values
#90A4A1#90A4A1
HEX#90A4A1
RGBrgb(144, 164, 161)
RGB (0–1)0.5647, 0.6431, 0.6314
RGB percentages56.5%, 64.3%, 63.1%
HSLhsl(171, 9.9%, 60.4%)
HSV / HSBhsv(171, 12.2%, 64.3%)
CMYK12.2%, 0%, 1.8%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,479,329
CSS custom property--colour: #90A4A1;
Brightness & contrast
Relative luminance0.35053WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.01:1
Contrast with white2.62:1WCAG normal text: Fail
Contrast with black8.01:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#6F5B5E
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.62:1WCAG large text: Fail
Contrast with black, large text8.01:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A49093
Analogous#90A497, #909DA4
Triadic#A190A4, #A4A190
Split complementary#A4909D, #A49790
Tetradic#9790A4, #A49093, #9DA490
Tints, shades & saturation
Channel breakdown
R144
G164
B161
Red144 (56.5%)
Green164 (64.3%)
Blue161 (63.1%)
Hue171°
Saturation (HSL)9.9%
Lightness60.39%
Dominant channelGreen
Hex per channelR 90 · G A4 · B A1
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