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Recognised as Colour

#63D7E0

  • #63D7E0
  • Cyan
  • Light
  • Nearest: Medium turquoise

#63D7E0 is a cyan with RGB values 99, 215, 224 and HSL 184°, 67%, 63%. 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

#63D7E0#63D7E0
HEX#63D7E0
RGBrgb(99, 215, 224)
RGB (0–1)0.3882, 0.8431, 0.8784
RGB percentages38.8%, 84.3%, 87.8%
HSLhsl(184.3, 66.8%, 63.3%)
HSV / HSBhsv(184.3, 55.8%, 87.8%)
CMYK55.8%, 4%, 0%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,543,328
CSS custom property--colour: #63D7E0;

Brightness & contrast

Relative luminance0.56635WCAG 2.x, 0 is black and 1 is white
Perceived brightness189.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.33:1
Contrast with white1.7:1WCAG normal text: Fail
Contrast with black12.33:1WCAG normal text: AAA
Greyscale equivalent#BFBFBF
Inverted#9C281F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C9CFE1no red cones; affects about 1% of men; ΔE 32.1 from the original
Deuteranopia#B5C0E1no green cones; the most common form, about 1% of men; ΔE 33.5 from the original
Tritanopia#00DED9no blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.7:1WCAG large text: Fail
Contrast with black, large text12.33:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 9.9Dark turquoise · ΔE 11Pale turquoise · ΔE 16.6Sky blue · ΔE 16.8Turquoise · ΔE 17.4Light seagreen · ΔE 17.9
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 9.89, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E06C63
Analogous#63E0AA, #6399E0
Triadic#E063D7, #D7E063
Split complementary#E06399, #E0AA63
Tetradic#AA63E0, #E06C63, #99E063

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E3F8F9
Lighter +20%#B8EDF1
Lighter +10%#8EE2E8
Darker −10%#38CCD8
Darker −20%#25AEB8
Darker −30%#1C868E
Darker −40%#145E63
More saturated +25%#4CEBF7
Less saturated −25%#7AC3C9

Channel breakdown

R99
G215
B224
Red99 (38.8%)
Green215 (84.3%)
Blue224 (87.8%)
Hue184.32°
Saturation (HSL)66.84%
Lightness63.33%
Dominant channelBlue
Hex per channelR 63 · G D7 · B E0

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Every value on this page was computed from “63d7e0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.