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Recognised as Colour

#63EAEF

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

#63EAEF is a cyan with RGB values 99, 234, 239 and HSL 182°, 81%, 66%. It is a light colour, so black text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#63EAEF#63EAEF
HEX#63EAEF
RGBrgb(99, 234, 239)
RGB (0–1)0.3882, 0.9176, 0.9373
RGB percentages38.8%, 91.8%, 93.7%
HSLhsl(182.1, 81.4%, 66.3%)
HSV / HSBhsv(182.1, 58.6%, 93.7%)
CMYK58.6%, 2.1%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,548,207
CSS custom property--colour: #63EAEF;

Brightness & contrast

Relative luminance0.6773WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.55:1
Contrast with white1.44:1WCAG normal text: Fail
Contrast with black14.55:1WCAG normal text: AAA
Greyscale equivalent#CECECE
Inverted#9C1510

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DBE0F0no red cones; affects about 1% of men; ΔE 36.9 from the original
Deuteranopia#C5D0F0no green cones; the most common form, about 1% of men; ΔE 38.1 from the original
Tritanopia#00F1EBno blue cones; rare, and affects men and women equally; ΔE 13 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.44:1WCAG large text: Fail
Contrast with black, large text14.55:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 10.6Dark turquoise · ΔE 11.7Turquoise · ΔE 13.8Aqua · ΔE 14Cyan · ΔE 14Pale turquoise · ΔE 17.5
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 10.6, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF6863
Analogous#63EFAE, #63A4EF
Triadic#EF63EA, #EAEF63
Split complementary#EF63A4, #EFAE63
Tetradic#AE63EF, #EF6863, #A4EF63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEFDFD
Lighter +20%#C0F6F8
Lighter +10%#91F0F4
Darker −10%#35E4EA
Darker −20%#16CFD6
Darker −30%#11A2A8
Darker −40%#0C767A
More saturated +25%#53F9FF
Less saturated −25%#78D6D9

Channel breakdown

R99
G234
B239
Red99 (38.8%)
Green234 (91.8%)
Blue239 (93.7%)
Hue182.14°
Saturation (HSL)81.4%
Lightness66.27%
Dominant channelBlue
Hex per channelR 63 · G EA · B EF

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