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Recognised as Colour

#55CBB5

  • #55CBB5
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#55CBB5 is a cyan with RGB values 85, 203, 181 and HSL 169°, 53%, 56%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#55CBB5#55CBB5
HEX#55CBB5
RGBrgb(85, 203, 181)
RGB (0–1)0.3333, 0.7961, 0.7098
RGB percentages33.3%, 79.6%, 71%
HSLhsl(168.8, 53.2%, 56.5%)
HSV / HSBhsv(168.8, 58.1%, 79.6%)
CMYK58.1%, 0%, 10.8%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,622,709
CSS custom property--colour: #55CBB5;

Brightness & contrast

Relative luminance0.47979WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.6:1
Contrast with white1.98:1WCAG normal text: Fail
Contrast with black10.6:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#AA344A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C3C0B4no red cones; affects about 1% of men; ΔE 37.9 from the original
Deuteranopia#B1B3B7no green cones; the most common form, about 1% of men; ΔE 38.7 from the original
Tritanopia#00CEC4no blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.98:1WCAG large text: Fail
Contrast with black, large text10.6:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 7.3Medium turquoise · ΔE 9.7Turquoise · ΔE 10Light seagreen · ΔE 11.7Dark turquoise · ΔE 14.6Aquamarine · ΔE 20.5
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 7.32, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB556B
Analogous#55CB7A, #55A6CB
Triadic#B555CB, #CBB555
Split complementary#CB55A6, #CB7A55
Tetradic#7A55CB, #CB556B, #A6CB55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1FBF9
Lighter +30%#CAEFE8
Lighter +20%#A3E3D7
Lighter +10%#7CD7C6
Darker −10%#38B59E
Darker −20%#2C8E7C
Darker −30%#20675A
Darker −40%#144038
More saturated +25%#39E7C6
Less saturated −25%#71AFA4

Channel breakdown

R85
G203
B181
Red85 (33.3%)
Green203 (79.6%)
Blue181 (71%)
Hue168.81°
Saturation (HSL)53.15%
Lightness56.47%
Dominant channelGreen
Hex per channelR 55 · G CB · B B5

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Every value on this page was computed from “55cbb5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.