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Colour

#63AA8B

  • #63AA8B
  • Cyan
  • Dark
  • Nearest: Dark seagreen

#63AA8B is a cyan with RGB values 99, 170, 139 and HSL 154°, 29%, 53%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark seagreen.

Colour values

#63AA8B#63AA8B
HEX#63AA8B
RGBrgb(99, 170, 139)
RGB (0–1)0.3882, 0.6667, 0.5451
RGB percentages38.8%, 66.7%, 54.5%
HSLhsl(153.8, 29.5%, 52.7%)
HSV / HSBhsv(153.8, 41.8%, 66.7%)
CMYK41.8%, 0%, 18.2%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,531,723
CSS custom property--colour: #63AA8B;

Brightness & contrast

Relative luminance0.33266WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.65:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.65:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#9C5574

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8A189no red cones; affects about 1% of men; ΔE 28.5 from the original
Deuteranopia#9C998Dno green cones; the most common form, about 1% of men; ΔE 28.7 from the original
Tritanopia#50AAA1no blue cones; rare, and affects men and women equally; ΔE 12.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.65:1WCAG large text: AAA

Named colours

Dark seagreen · ΔE 13.2Medium aquamarine · ΔE 14.3Light seagreen · ΔE 17.4Cadetblue · ΔE 19.5Sea green · ΔE 19.7Dark cyan · ΔE 21.8
Nearest named CSS colourDark seagreen (#8FBC8F)ΔE 13.18, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA6382
Analogous#63AA68, #63A5AA
Triadic#8B63AA, #AA8B63
Split complementary#AA63A5, #AA6863
Tetradic#6863AA, #AA6382, #A6AA63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7F2ED
Lighter +30%#C6E0D5
Lighter +20%#A5CEBC
Lighter +10%#84BCA4
Darker −10%#4D8D71
Darker −20%#3B6C57
Darker −30%#294B3C
Darker −40%#172A22
More saturated +25%#45C88F
Less saturated −25%#818C87

Channel breakdown

R99
G170
B139
Red99 (38.8%)
Green170 (66.7%)
Blue139 (54.5%)
Hue153.8°
Saturation (HSL)29.46%
Lightness52.75%
Dominant channelGreen
Hex per channelR 63 · G AA · B 8B

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Every value on this page was computed from “63aa8b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.