Colour
#55ABBB
- #55ABBB
- Cyan
- Dark
- Nearest: Cadetblue
#55ABBB is a cyan with RGB values 85, 171, 187 and HSL 189°, 43%, 53%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#55ABBB#55ABBB
HEX#55ABBB
RGBrgb(85, 171, 187)
RGB (0–1)0.3333, 0.6706, 0.7333
RGB percentages33.3%, 67.1%, 73.3%
HSLhsl(189.4, 42.9%, 53.3%)
HSV / HSBhsv(189.4, 54.5%, 73.3%)
CMYK54.5%, 8.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,614,523
CSS custom property--colour: #55ABBB;
Brightness & contrast
Relative luminance0.34645WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.93:1
Contrast with white2.65:1WCAG normal text: Fail
Contrast with black7.93:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#AA5444
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.65:1WCAG large text: Fail
Contrast with black, large text7.93:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BB6555
Analogous#55BB98, #5578BB
Triadic#BB55AB, #ABBB55
Split complementary#BB5578, #BB9855
Tetradic#9855BB, #BB6555, #78BB55
Tints, shades & saturation
Channel breakdown
R85
G171
B187
Red85 (33.3%)
Green171 (67.1%)
Blue187 (73.3%)
Hue189.41°
Saturation (HSL)42.86%
Lightness53.33%
Dominant channelBlue
Hex per channelR 55 · G AB · B BB
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