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Colour

#57D8B6

  • #57D8B6
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#57D8B6 is a cyan with RGB values 87, 216, 182 and HSL 164°, 62%, 59%. It is a light colour, so black text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#57D8B6#57D8B6
HEX#57D8B6
RGBrgb(87, 216, 182)
RGB (0–1)0.3412, 0.8471, 0.7137
RGB percentages34.1%, 84.7%, 71.4%
HSLhsl(164.2, 62.3%, 59.4%)
HSV / HSBhsv(164.2, 59.7%, 84.7%)
CMYK59.7%, 0%, 15.7%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,757,110
CSS custom property--colour: #57D8B6;

Brightness & contrast

Relative luminance0.54515WCAG 2.x, 0 is black and 1 is white
Perceived brightness182.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.9:1
Contrast with white1.76:1WCAG normal text: Fail
Contrast with black11.9:1WCAG normal text: AAA
Greyscale equivalent#BABABA
Inverted#A82749

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D2CBB4no red cones; affects about 1% of men; ΔE 42.7 from the original
Deuteranopia#BFBDB8no green cones; the most common form, about 1% of men; ΔE 43.6 from the original
Tritanopia#00DACEno blue cones; rare, and affects men and women equally; ΔE 13.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.76:1WCAG large text: Fail
Contrast with black, large text11.9:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 6.4Turquoise · ΔE 10.6Aquamarine · ΔE 13.9Medium turquoise · ΔE 16Light seagreen · ΔE 19.1Dark turquoise · ΔE 20.4
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 6.44, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D85779
Analogous#57D875, #57BAD8
Triadic#B657D8, #D8B657
Split complementary#D857BA, #D87557
Tetradic#7557D8, #D85779, #BAD857

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFE
Lighter +30%#D3F5EC
Lighter +20%#AAEBDA
Lighter +10%#80E2C8
Darker −10%#2FCDA3
Darker −20%#26A382
Darker −30%#1C7A61
Darker −40%#135040
More saturated +25%#3DF2C2
Less saturated −25%#71BEAA

Channel breakdown

R87
G216
B182
Red87 (34.1%)
Green216 (84.7%)
Blue182 (71.4%)
Hue164.19°
Saturation (HSL)62.32%
Lightness59.41%
Dominant channelGreen
Hex per channelR 57 · G D8 · B B6

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Every value on this page was computed from “57d8b6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.