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Colour

#63CBB1

  • #63CBB1
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#63CBB1 is a cyan with RGB values 99, 203, 177 and HSL 165°, 50%, 59%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#63CBB1#63CBB1
HEX#63CBB1
RGBrgb(99, 203, 177)
RGB (0–1)0.3882, 0.7961, 0.6941
RGB percentages38.8%, 79.6%, 69.4%
HSLhsl(165, 50%, 59.2%)
HSV / HSBhsv(165, 51.2%, 79.6%)
CMYK51.2%, 0%, 12.8%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,540,209
CSS custom property--colour: #63CBB1;

Brightness & contrast

Relative luminance0.48539WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.71:1
Contrast with white1.96:1WCAG normal text: Fail
Contrast with black10.71:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#9C344E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C5C0B0no red cones; affects about 1% of men; ΔE 35.9 from the original
Deuteranopia#B5B4B3no green cones; the most common form, about 1% of men; ΔE 36.8 from the original
Tritanopia#32CDC3no blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.96:1WCAG large text: Fail
Contrast with black, large text10.71:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 4.9Medium turquoise · ΔE 12.3Turquoise · ΔE 12.5Light seagreen · ΔE 13.8Dark turquoise · ΔE 17.6Dark seagreen · ΔE 19.3
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 4.93, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB637D
Analogous#63CB7D, #63B1CB
Triadic#B163CB, #CBB163
Split complementary#CB63B1, #CB7D63
Tetradic#7D63CB, #CB637D, #B1CB63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFEFE
Lighter +30%#D6F1EA
Lighter +20%#B0E5D7
Lighter +10%#89D8C4
Darker −10%#3FBC9D
Darker −20%#32967D
Darker −30%#25705D
Darker −40%#194A3D
More saturated +25%#49E5BE
Less saturated −25%#7DB1A4

Channel breakdown

R99
G203
B177
Red99 (38.8%)
Green203 (79.6%)
Blue177 (69.4%)
Hue165°
Saturation (HSL)50%
Lightness59.22%
Dominant channelGreen
Hex per channelR 63 · G CB · B B1

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Every value on this page was computed from “63cbb1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.