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Recognised as Colour

#63C8B8

  • #63C8B8
  • Cyan
  • Dark
  • Nearest: Medium turquoise

#63C8B8 is a cyan with RGB values 99, 200, 184 and HSL 170°, 48%, 59%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#63C8B8#63C8B8
HEX#63C8B8
RGBrgb(99, 200, 184)
RGB (0–1)0.3882, 0.7843, 0.7216
RGB percentages38.8%, 78.4%, 72.2%
HSLhsl(170.5, 47.9%, 58.6%)
HSV / HSBhsv(170.5, 50.5%, 78.4%)
CMYK50.5%, 0%, 8%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,539,448
CSS custom property--colour: #63C8B8;

Brightness & contrast

Relative luminance0.47422WCAG 2.x, 0 is black and 1 is white
Perceived brightness174 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.48:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.48:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#9C3747

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0BEB7no red cones; affects about 1% of men; ΔE 33.3 from the original
Deuteranopia#B0B2B9no green cones; the most common form, about 1% of men; ΔE 34.2 from the original
Tritanopia#2DCBC3no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.48:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 8.7Medium aquamarine · ΔE 10.6Light seagreen · ΔE 11Turquoise · ΔE 13Dark turquoise · ΔE 14.1Cadetblue · ΔE 20.2
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 8.65, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C86373
Analogous#63C886, #63A6C8
Triadic#B863C8, #C8B863
Split complementary#C863A6, #C88663
Tetradic#8563C8, #C86373, #A6C863

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFDFD
Lighter +30%#D4F0EB
Lighter +20%#AEE3DA
Lighter +10%#89D5C9
Darker −10%#41B7A5
Darker −20%#339283
Darker −30%#266C61
Darker −40%#19463F
More saturated +25%#49E2CA
Less saturated −25%#7DAEA6

Channel breakdown

R99
G200
B184
Red99 (38.8%)
Green200 (78.4%)
Blue184 (72.2%)
Hue170.5°
Saturation (HSL)47.87%
Lightness58.63%
Dominant channelGreen
Hex per channelR 63 · G C8 · B B8

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Every value on this page was computed from “63c8b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.