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Recognised as Colour

#63E9CC

  • #63E9CC
  • Cyan
  • Light
  • Nearest: Turquoise

#63E9CC is a cyan with RGB values 99, 233, 204 and HSL 167°, 75%, 65%. It is a light colour, so black text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#63E9CC#63E9CC
HEX#63E9CC
RGBrgb(99, 233, 204)
RGB (0–1)0.3882, 0.9137, 0.8
RGB percentages38.8%, 91.4%, 80%
HSLhsl(167, 75.3%, 65.1%)
HSV / HSBhsv(167, 57.5%, 91.4%)
CMYK57.5%, 0%, 12.4%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,547,916
CSS custom property--colour: #63E9CC;

Brightness & contrast

Relative luminance0.6529WCAG 2.x, 0 is black and 1 is white
Perceived brightness198.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.06:1
Contrast with white1.49:1WCAG normal text: Fail
Contrast with black14.06:1WCAG normal text: AAA
Greyscale equivalent#CACACA
Inverted#9C1633

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E1DCCBno red cones; affects about 1% of men; ΔE 42.9 from the original
Deuteranopia#CDCDCEno green cones; the most common form, about 1% of men; ΔE 43.9 from the original
Tritanopia#00ECE0no blue cones; rare, and affects men and women equally; ΔE 11.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.49:1WCAG large text: Fail
Contrast with black, large text14.06:1WCAG large text: AAA

Named colours

Turquoise · ΔE 7.9Aquamarine · ΔE 10.1Medium aquamarine · ΔE 11.6Medium turquoise · ΔE 15.2Aqua · ΔE 19Cyan · ΔE 19
Nearest named CSS colourTurquoise (#40E0D0)ΔE 7.91, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E96380
Analogous#63E989, #63C3E9
Triadic#CC63E9, #E9CC63
Split complementary#E963C3, #E98963
Tetradic#8963E9, #E96380, #C3E963

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E9FCF8
Lighter +20%#BCF6E9
Lighter +10%#90EFDB
Darker −10%#36E3BD
Darker −20%#1CCAA4
Darker −30%#169D80
Darker −40%#10705B
More saturated +25%#4DFFD8
Less saturated −25%#79D3BF

Channel breakdown

R99
G233
B204
Red99 (38.8%)
Green233 (91.4%)
Blue204 (80%)
Hue167.01°
Saturation (HSL)75.28%
Lightness65.1%
Dominant channelGreen
Hex per channelR 63 · G E9 · B CC

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Every value on this page was computed from “63e9cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.