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Recognised as Colour

#63E0E7

  • #63E0E7
  • Cyan
  • Light
  • Nearest: Medium turquoise

#63E0E7 is a cyan with RGB values 99, 224, 231 and HSL 183°, 73%, 65%. It is a light colour, so black text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#63E0E7#63E0E7
HEX#63E0E7
RGBrgb(99, 224, 231)
RGB (0–1)0.3882, 0.8784, 0.9059
RGB percentages38.8%, 87.8%, 90.6%
HSLhsl(183.2, 73.3%, 64.7%)
HSV / HSBhsv(183.2, 57.1%, 90.6%)
CMYK57.1%, 3%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,545,639
CSS custom property--colour: #63E0E7;

Brightness & contrast

Relative luminance0.61733WCAG 2.x, 0 is black and 1 is white
Perceived brightness196.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.35:1
Contrast with white1.57:1WCAG normal text: Fail
Contrast with black13.35:1WCAG normal text: AAA
Greyscale equivalent#C6C6C6
Inverted#9C1F18

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1D7E8no red cones; affects about 1% of men; ΔE 34.3 from the original
Deuteranopia#BCC7E8no green cones; the most common form, about 1% of men; ΔE 35.8 from the original
Tritanopia#00E7E2no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.57:1WCAG large text: Fail
Contrast with black, large text13.35:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 9.4Dark turquoise · ΔE 10.6Turquoise · ΔE 15.3Pale turquoise · ΔE 16.6Aqua · ΔE 17.6Cyan · ΔE 17.6
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 9.42, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E76A63
Analogous#63E7AC, #639EE7
Triadic#E763E0, #E0E763
Split complementary#E7639E, #E7AC63
Tetradic#AC63E7, #E76A63, #9EE763

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E8FAFB
Lighter +20%#BBF2F5
Lighter +10%#8FE9EE
Darker −10%#37D7E0
Darker −20%#1EBDC6
Darker −30%#189399
Darker −40%#11686D
More saturated +25%#4CF4FE
Less saturated −25%#79CCD1

Channel breakdown

R99
G224
B231
Red99 (38.8%)
Green224 (87.8%)
Blue231 (90.6%)
Hue183.18°
Saturation (HSL)73.33%
Lightness64.71%
Dominant channelBlue
Hex per channelR 63 · G E0 · B E7

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Every value on this page was computed from “63e0e7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.