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Recognised as Colour

#57AB82

  • #57AB82
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#57AB82 is a cyan with RGB values 87, 171, 130 and HSL 151°, 33%, 51%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#57AB82#57AB82
HEX#57AB82
RGBrgb(87, 171, 130)
RGB (0–1)0.3412, 0.6706, 0.5098
RGB percentages34.1%, 67.1%, 51%
HSLhsl(150.7, 33.3%, 50.6%)
HSV / HSBhsv(150.7, 49.1%, 67.1%)
CMYK49.1%, 0%, 24%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,745,538
CSS custom property--colour: #57AB82;

Brightness & contrast

Relative luminance0.32764WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.55:1
Contrast with white2.78:1WCAG normal text: Fail
Contrast with black7.55:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#A8547D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9A080no red cones; affects about 1% of men; ΔE 33.6 from the original
Deuteranopia#9C9785no green cones; the most common form, about 1% of men; ΔE 34.1 from the original
Tritanopia#3EAAA0no blue cones; rare, and affects men and women equally; ΔE 17.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.78:1WCAG large text: Fail
Contrast with black, large text7.55:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 13.1Sea green · ΔE 14.8Dark seagreen · ΔE 14.8Medium seagreen · ΔE 17Light seagreen · ΔE 19.9Medium turquoise · ΔE 25.4
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 13.14, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB5780
Analogous#57AB58, #57AAAB
Triadic#8257AB, #AB8257
Split complementary#AB57AA, #AB5857
Tetradic#5857AB, #AB5780, #AAAB57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFEFE7
Lighter +30%#BDDECE
Lighter +20%#9BCDB5
Lighter +10%#79BC9B
Darker −10%#458A68
Darker −20%#34684F
Darker −30%#234635
Darker −40%#12241B
More saturated +25%#38CB83
Less saturated −25%#778B81

Channel breakdown

R87
G171
B130
Red87 (34.1%)
Green171 (67.1%)
Blue130 (51%)
Hue150.71°
Saturation (HSL)33.33%
Lightness50.59%
Dominant channelGreen
Hex per channelR 57 · G AB · B 82

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Every value on this page was computed from “57ab82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.