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Colour

#63D8CF

  • #63D8CF
  • Cyan
  • Light
  • Nearest: Medium turquoise

#63D8CF is a cyan with RGB values 99, 216, 207 and HSL 175°, 60%, 62%. It is a light colour, so black text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#63D8CF#63D8CF
HEX#63D8CF
RGBrgb(99, 216, 207)
RGB (0–1)0.3882, 0.8471, 0.8118
RGB percentages38.8%, 84.7%, 81.2%
HSLhsl(175.4, 60%, 61.8%)
HSV / HSBhsv(175.4, 54.2%, 84.7%)
CMYK54.2%, 0%, 4.2%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,543,567
CSS custom property--colour: #63D8CF;

Brightness & contrast

Relative luminance0.56269WCAG 2.x, 0 is black and 1 is white
Perceived brightness187.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.25:1
Contrast with white1.71:1WCAG normal text: Fail
Contrast with black12.25:1WCAG normal text: AAA
Greyscale equivalent#BEBEBE
Inverted#9C2730

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CECECFno red cones; affects about 1% of men; ΔE 35.8 from the original
Deuteranopia#BBC0D0no green cones; the most common form, about 1% of men; ΔE 36.7 from the original
Tritanopia#00DDD5no blue cones; rare, and affects men and women equally; ΔE 10.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.71:1WCAG large text: Fail
Contrast with black, large text12.25:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 4.6Turquoise · ΔE 9.2Dark turquoise · ΔE 10.3Light seagreen · ΔE 14.2Medium aquamarine · ΔE 14.9Pale turquoise · ΔE 18.6
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 4.57, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D8636C
Analogous#63D895, #63A6D8
Triadic#CF63D8, #D8CF63
Split complementary#D863A6, #D89563
Tetradic#9563D8, #D8636C, #A6D863

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DDF7F5
Lighter +20%#B5ECE8
Lighter +10%#8CE2DC
Darker −10%#3ACEC2
Darker −20%#2BAAA1
Darker −30%#20827A
Darker −40%#165954
More saturated +25%#4BF0E4
Less saturated −25%#7BC0BA

Channel breakdown

R99
G216
B207
Red99 (38.8%)
Green216 (84.7%)
Blue207 (81.2%)
Hue175.38°
Saturation (HSL)60%
Lightness61.76%
Dominant channelGreen
Hex per channelR 63 · G D8 · B CF

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Every value on this page was computed from “63d8cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.