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Recognised as Colour

#57D1CA

  • #57D1CA
  • Cyan
  • Light
  • Nearest: Medium turquoise

#57D1CA is a cyan with RGB values 87, 209, 202 and HSL 177°, 57%, 58%. It is a light colour, so black text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#57D1CA#57D1CA
HEX#57D1CA
RGBrgb(87, 209, 202)
RGB (0–1)0.3412, 0.8196, 0.7922
RGB percentages34.1%, 82%, 79.2%
HSLhsl(176.6, 57%, 58%)
HSV / HSBhsv(176.6, 58.4%, 82%)
CMYK58.4%, 0%, 3.3%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,755,338
CSS custom property--colour: #57D1CA;

Brightness & contrast

Relative luminance0.51891WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.38:1
Contrast with white1.85:1WCAG normal text: Fail
Contrast with black11.38:1WCAG normal text: AAA
Greyscale equivalent#B7B7B7
Inverted#A82E35

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C6C7CAno red cones; affects about 1% of men; ΔE 36.1 from the original
Deuteranopia#B3B9CBno green cones; the most common form, about 1% of men; ΔE 37.1 from the original
Tritanopia#00D6CFno blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.85:1WCAG large text: Fail
Contrast with black, large text11.38:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 2.5Dark turquoise · ΔE 8.4Turquoise · ΔE 9.9Light seagreen · ΔE 11.6Medium aquamarine · ΔE 15.4Aqua · ΔE 20.2
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 2.54, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1575E
Analogous#57D18D, #579BD1
Triadic#CA57D1, #D1CA57
Split complementary#D1579B, #D18D57
Tetradic#8D57D1, #D1575E, #9BD157

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FDFD
Lighter +30%#CFF2F0
Lighter +20%#A7E7E3
Lighter +10%#7FDCD7
Darker −10%#35C0B8
Darker −20%#2A9892
Darker −30%#1F706C
Darker −40%#144845
More saturated +25%#3CECE2
Less saturated −25%#72B6B2

Channel breakdown

R87
G209
B202
Red87 (34.1%)
Green209 (82%)
Blue202 (79.2%)
Hue176.56°
Saturation (HSL)57.01%
Lightness58.04%
Dominant channelGreen
Hex per channelR 57 · G D1 · B CA

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Every value on this page was computed from “57d1ca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.