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Recognised as Colour

#57DAE2

  • #57DAE2
  • Cyan
  • Light
  • Nearest: Medium turquoise

#57DAE2 is a cyan with RGB values 87, 218, 226 and HSL 183°, 71%, 61%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#57DAE2#57DAE2
HEX#57DAE2
RGBrgb(87, 218, 226)
RGB (0–1)0.3412, 0.8549, 0.8863
RGB percentages34.1%, 85.5%, 88.6%
HSLhsl(183.5, 70.6%, 61.4%)
HSV / HSBhsv(183.5, 61.5%, 88.6%)
CMYK61.5%, 3.5%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,757,666
CSS custom property--colour: #57DAE2;

Brightness & contrast

Relative luminance0.5766WCAG 2.x, 0 is black and 1 is white
Perceived brightness189.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.53:1
Contrast with white1.68:1WCAG normal text: Fail
Contrast with black12.53:1WCAG normal text: AAA
Greyscale equivalent#BFBFBF
Inverted#A8251D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CBD1E3no red cones; affects about 1% of men; ΔE 35.1 from the original
Deuteranopia#B6C1E3no green cones; the most common form, about 1% of men; ΔE 36.7 from the original
Tritanopia#00E2DCno blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.68:1WCAG large text: Fail
Contrast with black, large text12.53:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 8.4Dark turquoise · ΔE 8.7Turquoise · ΔE 15.2Light seagreen · ΔE 17.5Aqua · ΔE 18.3Cyan · ΔE 18.3
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 8.4, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E25F57
Analogous#57E2A5, #5794E2
Triadic#E257DA, #DAE257
Split complementary#E25794, #E2A557
Tetradic#A557E2, #E25F57, #94E257

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9F7F9
Lighter +20%#AEEDF1
Lighter +10%#82E4EA
Darker −10%#2CD0DA
Darker −20%#1FABB4
Darker −30%#188288
Darker −40%#10595D
More saturated +25%#3EF0FB
Less saturated −25%#70C4C9

Channel breakdown

R87
G218
B226
Red87 (34.1%)
Green218 (85.5%)
Blue226 (88.6%)
Hue183.45°
Saturation (HSL)70.56%
Lightness61.37%
Dominant channelBlue
Hex per channelR 57 · G DA · B E2

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Every value on this page was computed from “57dae2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.