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Recognised as Colour

#63BBAA

  • #63BBAA
  • Cyan
  • Dark
  • Nearest: Light seagreen

#63BBAA is a cyan with RGB values 99, 187, 170 and HSL 168°, 39%, 56%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#63BBAA#63BBAA
HEX#63BBAA
RGBrgb(99, 187, 170)
RGB (0–1)0.3882, 0.7333, 0.6667
RGB percentages38.8%, 73.3%, 66.7%
HSLhsl(168.4, 39.3%, 56.1%)
HSV / HSBhsv(168.4, 47.1%, 73.3%)
CMYK47.1%, 0%, 9.1%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,536,106
CSS custom property--colour: #63BBAA;

Brightness & contrast

Relative luminance0.41096WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.22:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.22:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#9C4455

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B5B2A9no red cones; affects about 1% of men; ΔE 30.5 from the original
Deuteranopia#A6A7ABno green cones; the most common form, about 1% of men; ΔE 31.2 from the original
Tritanopia#3DBEB6no blue cones; rare, and affects men and women equally; ΔE 8.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.22:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 10.6Medium aquamarine · ΔE 12.3Medium turquoise · ΔE 12.9Cadetblue · ΔE 16.3Dark turquoise · ΔE 17.5Turquoise · ΔE 17.9
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 10.6, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB6374
Analogous#63BB7E, #63A0BB
Triadic#AA63BB, #BBAA63
Split complementary#BB63A0, #BB7E63
Tetradic#7E63BB, #BB6374, #A0BB63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F9F7
Lighter +30%#CEE9E4
Lighter +20%#AADAD1
Lighter +10%#87CABD
Darker −10%#47A492
Darker −20%#388072
Darker −30%#285D53
Darker −40%#193933
More saturated +25%#47D7BB
Less saturated −25%#7F9F99

Channel breakdown

R99
G187
B170
Red99 (38.8%)
Green187 (73.3%)
Blue170 (66.7%)
Hue168.41°
Saturation (HSL)39.29%
Lightness56.08%
Dominant channelGreen
Hex per channelR 63 · G BB · B AA

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