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Recognised as Colour

#63D1BC

  • #63D1BC
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#63D1BC is a cyan with RGB values 99, 209, 188 and HSL 169°, 54%, 60%. It is a light colour, so black text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#63D1BC#63D1BC
HEX#63D1BC
RGBrgb(99, 209, 188)
RGB (0–1)0.3882, 0.8196, 0.7373
RGB percentages38.8%, 82%, 73.7%
HSLhsl(168.5, 54.5%, 60.4%)
HSV / HSBhsv(168.5, 52.6%, 82%)
CMYK52.6%, 0%, 10%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,541,756
CSS custom property--colour: #63D1BC;

Brightness & contrast

Relative luminance0.51884WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.38:1
Contrast with white1.85:1WCAG normal text: Fail
Contrast with black11.38:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#9C2E43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C9C6BBno red cones; affects about 1% of men; ΔE 36.2 from the original
Deuteranopia#B8B9BEno green cones; the most common form, about 1% of men; ΔE 37.4 from the original
Tritanopia#24D4CBno blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.85:1WCAG large text: Fail
Contrast with black, large text11.38:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 7.8Medium turquoise · ΔE 9.2Turquoise · ΔE 9.8Light seagreen · ΔE 13.5Dark turquoise · ΔE 14.9Aquamarine · ΔE 19.4
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 7.83, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D16378
Analogous#63D185, #63AFD1
Triadic#BC63D1, #D1BC63
Split complementary#D163AF, #D18563
Tetradic#8563D1, #D16378, #AFD163

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9F4EF
Lighter +20%#B2E8DE
Lighter +10%#8ADDCD
Darker −10%#3CC5AB
Darker −20%#2F9F8A
Darker −30%#237868
Darker −40%#185046
More saturated +25%#4AEACC
Less saturated −25%#7CB8AC

Channel breakdown

R99
G209
B188
Red99 (38.8%)
Green209 (82%)
Blue188 (73.7%)
Hue168.55°
Saturation (HSL)54.46%
Lightness60.39%
Dominant channelGreen
Hex per channelR 63 · G D1 · B BC

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Every value on this page was computed from “63d1bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.