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Recognised as Colour

#57D8BC

  • #57D8BC
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#57D8BC is a cyan with RGB values 87, 216, 188 and HSL 167°, 62%, 59%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#57D8BC#57D8BC
HEX#57D8BC
RGBrgb(87, 216, 188)
RGB (0–1)0.3412, 0.8471, 0.7373
RGB percentages34.1%, 84.7%, 73.7%
HSLhsl(167, 62.3%, 59.4%)
HSV / HSBhsv(167, 59.7%, 84.7%)
CMYK59.7%, 0%, 13%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,757,116
CSS custom property--colour: #57D8BC;

Brightness & contrast

Relative luminance0.54769WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.95:1
Contrast with white1.76:1WCAG normal text: Fail
Contrast with black11.95:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#A82743

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1CCBBno red cones; affects about 1% of men; ΔE 41.5 from the original
Deuteranopia#BDBEBEno green cones; the most common form, about 1% of men; ΔE 42 from the original
Tritanopia#00DBD0no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.76:1WCAG large text: Fail
Contrast with black, large text11.95:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 7.1Turquoise · ΔE 7.9Medium turquoise · ΔE 12.7Aquamarine · ΔE 15Light seagreen · ΔE 16.9Dark turquoise · ΔE 17.3
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 7.12, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D85773
Analogous#57D87C, #57B3D8
Triadic#BC57D8, #D8BC57
Split complementary#D857B3, #D87C57
Tetradic#7C57D8, #D85773, #B3D857

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFE
Lighter +30%#D3F5EE
Lighter +20%#AAEBDD
Lighter +10%#80E2CD
Darker −10%#2FCDAA
Darker −20%#26A388
Darker −30%#1C7A65
Darker −40%#135043
More saturated +25%#3DF2CB
Less saturated −25%#71BEAD

Channel breakdown

R87
G216
B188
Red87 (34.1%)
Green216 (84.7%)
Blue188 (73.7%)
Hue166.98°
Saturation (HSL)62.32%
Lightness59.41%
Dominant channelGreen
Hex per channelR 57 · G D8 · B BC

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Every value on this page was computed from “57d8bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.