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Colour

#55BFB1

  • #55BFB1
  • Cyan
  • Dark
  • Nearest: Light seagreen

#55BFB1 is a cyan with RGB values 85, 191, 177 and HSL 172°, 45%, 54%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#55BFB1#55BFB1
HEX#55BFB1
RGBrgb(85, 191, 177)
RGB (0–1)0.3333, 0.749, 0.6941
RGB percentages33.3%, 74.9%, 69.4%
HSLhsl(172.1, 45.3%, 54.1%)
HSV / HSBhsv(172.1, 55.5%, 74.9%)
CMYK55.5%, 0%, 7.3%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,619,633
CSS custom property--colour: #55BFB1;

Brightness & contrast

Relative luminance0.42367WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.47:1
Contrast with white2.22:1WCAG normal text: Fail
Contrast with black9.47:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#AA404E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7B5B1no red cones; affects about 1% of men; ΔE 34.3 from the original
Deuteranopia#A6A9B2no green cones; the most common form, about 1% of men; ΔE 34.8 from the original
Tritanopia#00C3BBno blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.22:1WCAG large text: Fail
Contrast with black, large text9.47:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 7.7Medium turquoise · ΔE 9.1Medium aquamarine · ΔE 12.3Dark turquoise · ΔE 13.5Turquoise · ΔE 14.5Cadetblue · ΔE 18.2
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 7.65, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF5563
Analogous#55BF7C, #5598BF
Triadic#B155BF, #BFB155
Split complementary#BF5598, #BF7C55
Tetradic#7C55BF, #BF5563, #98BF55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F7F5
Lighter +30%#C4E9E4
Lighter +20%#9FDBD3
Lighter +10%#7ACDC2
Darker −10%#3EA396
Darker −20%#307E74
Darker −30%#225952
Darker −40%#143430
More saturated +25%#38DCC7
Less saturated −25%#72A29B

Channel breakdown

R85
G191
B177
Red85 (33.3%)
Green191 (74.9%)
Blue177 (69.4%)
Hue172.08°
Saturation (HSL)45.3%
Lightness54.12%
Dominant channelGreen
Hex per channelR 55 · G BF · B B1

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Every value on this page was computed from “55bfb1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.