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Recognised as Colour

#63CB9C

  • #63CB9C
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#63CB9C is a cyan with RGB values 99, 203, 156 and HSL 153°, 50%, 59%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#63CB9C#63CB9C
HEX#63CB9C
RGBrgb(99, 203, 156)
RGB (0–1)0.3882, 0.7961, 0.6118
RGB percentages38.8%, 79.6%, 61.2%
HSLhsl(152.9, 50%, 59.2%)
HSV / HSBhsv(152.9, 51.2%, 79.6%)
CMYK51.2%, 0%, 23.2%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,540,188
CSS custom property--colour: #63CB9C;

Brightness & contrast

Relative luminance0.47765WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.55:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.55:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#9C3463

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C8BE99no red cones; affects about 1% of men; ΔE 39.3 from the original
Deuteranopia#B9B39Fno green cones; the most common form, about 1% of men; ΔE 40.1 from the original
Tritanopia#40CBBEno blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.99:1WCAG large text: Fail
Contrast with black, large text10.55:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 6.8Medium seagreen · ΔE 15.4Dark seagreen · ΔE 18Aquamarine · ΔE 18.5Turquoise · ΔE 19.7Light seagreen · ΔE 22.8
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 6.77, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB6392
Analogous#63CB68, #63C6CB
Triadic#9C63CB, #CB9C63
Split complementary#CB63C6, #CB6863
Tetradic#6863CB, #CB6392, #C6CB63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFEFD
Lighter +30%#D6F1E5
Lighter +20%#B0E5CD
Lighter +10%#89D8B4
Darker −10%#3FBC84
Darker −20%#329669
Darker −30%#25704E
Darker −40%#194A33
More saturated +25%#49E59F
Less saturated −25%#7DB19A

Channel breakdown

R99
G203
B156
Red99 (38.8%)
Green203 (79.6%)
Blue156 (61.2%)
Hue152.88°
Saturation (HSL)50%
Lightness59.22%
Dominant channelGreen
Hex per channelR 63 · G CB · B 9C

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Every value on this page was computed from “63cb9c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.