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Recognised as Colour

#55D09B

  • #55D09B
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#55D09B is a cyan with RGB values 85, 208, 155 and HSL 154°, 57%, 57%. It is a dark colour, so black text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#55D09B#55D09B
HEX#55D09B
RGBrgb(85, 208, 155)
RGB (0–1)0.3333, 0.8157, 0.6078
RGB percentages33.3%, 81.6%, 60.8%
HSLhsl(154.1, 56.7%, 57.5%)
HSV / HSBhsv(154.1, 59.1%, 81.6%)
CMYK59.1%, 0%, 25.5%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,623,963
CSS custom property--colour: #55D09B;

Brightness & contrast

Relative luminance0.4941WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.88:1
Contrast with white1.93:1WCAG normal text: Fail
Contrast with black10.88:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#AA2F64

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CDC298no red cones; affects about 1% of men; ΔE 44.4 from the original
Deuteranopia#BCB69Eno green cones; the most common form, about 1% of men; ΔE 44.9 from the original
Tritanopia#14D0C1no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.93:1WCAG large text: Fail
Contrast with black, large text10.88:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 11.5Medium seagreen · ΔE 13.3Aquamarine · ΔE 17.6Turquoise · ΔE 21.2Dark seagreen · ΔE 23.2Light green · ΔE 23.4
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 11.51, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D0558A
Analogous#55D05D, #55C8D0
Triadic#9B55D0, #D09B55
Split complementary#D055C8, #D05D55
Tetradic#5D55D0, #D0558A, #C8D055

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5FCF9
Lighter +30%#CDF1E2
Lighter +20%#A5E6CA
Lighter +10%#7DDBB3
Darker −10%#34BE82
Darker −20%#299667
Darker −30%#1E6E4B
Darker −40%#134630
More saturated +25%#3AEB9F
Less saturated −25%#70B597

Channel breakdown

R85
G208
B155
Red85 (33.3%)
Green208 (81.6%)
Blue155 (60.8%)
Hue154.15°
Saturation (HSL)56.68%
Lightness57.45%
Dominant channelGreen
Hex per channelR 55 · G D0 · B 9B

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Every value on this page was computed from “55d09b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.