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Recognised as Colour

#57E1D9

  • #57E1D9
  • Cyan
  • Light
  • Nearest: Medium turquoise

#57E1D9 is a cyan with RGB values 87, 225, 217 and HSL 177°, 70%, 61%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#57E1D9#57E1D9
HEX#57E1D9
RGBrgb(87, 225, 217)
RGB (0–1)0.3412, 0.8824, 0.851
RGB percentages34.1%, 88.2%, 85.1%
HSLhsl(176.5, 69.7%, 61.2%)
HSV / HSBhsv(176.5, 61.3%, 88.2%)
CMYK61.3%, 0%, 3.6%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,759,449
CSS custom property--colour: #57E1D9;

Brightness & contrast

Relative luminance0.60886WCAG 2.x, 0 is black and 1 is white
Perceived brightness193.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.18:1
Contrast with white1.59:1WCAG normal text: Fail
Contrast with black13.18:1WCAG normal text: AAA
Greyscale equivalent#C3C3C3
Inverted#A81E26

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D5D6D9no red cones; affects about 1% of men; ΔE 39.6 from the original
Deuteranopia#C0C6DAno green cones; the most common form, about 1% of men; ΔE 40.9 from the original
Tritanopia#00E7DEno blue cones; rare, and affects men and women equally; ΔE 8.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.59:1WCAG large text: Fail
Contrast with black, large text13.18:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 5.7Turquoise · ΔE 6.2Dark turquoise · ΔE 9.5Aqua · ΔE 14.5Cyan · ΔE 14.5Light seagreen · ΔE 16.6
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 5.75, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1575F
Analogous#57E194, #57A4E1
Triadic#D957E1, #E1D957
Split complementary#E157A4, #E19457
Tetradic#9457E1, #E1575F, #A4E157

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9F8F6
Lighter +20%#AEF0ED
Lighter +10%#82E9E3
Darker −10%#2CD9CF
Darker −20%#20B2AA
Darker −30%#188780
Darker −40%#105C57
More saturated +25%#3EFAEF
Less saturated −25%#70C8C3

Channel breakdown

R87
G225
B217
Red87 (34.1%)
Green225 (88.2%)
Blue217 (85.1%)
Hue176.52°
Saturation (HSL)69.7%
Lightness61.18%
Dominant channelGreen
Hex per channelR 57 · G E1 · B D9

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Every value on this page was computed from “57e1d9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.