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Recognised as Colour

#63AEAA

  • #63AEAA
  • Cyan
  • Dark
  • Nearest: Cadetblue

#63AEAA is a cyan with RGB values 99, 174, 170 and HSL 177°, 32%, 54%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#63AEAA#63AEAA
HEX#63AEAA
RGBrgb(99, 174, 170)
RGB (0–1)0.3882, 0.6824, 0.6667
RGB percentages38.8%, 68.2%, 66.7%
HSLhsl(176.8, 31.6%, 53.5%)
HSV / HSBhsv(176.8, 43.1%, 68.2%)
CMYK43.1%, 0%, 2.3%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,532,778
CSS custom property--colour: #63AEAA;

Brightness & contrast

Relative luminance0.35827WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.17:1
Contrast with white2.57:1WCAG normal text: Fail
Contrast with black8.17:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#9C5155

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A6A7AAno red cones; affects about 1% of men; ΔE 24.8 from the original
Deuteranopia#999DABno green cones; the most common form, about 1% of men; ΔE 25.9 from the original
Tritanopia#41B2ADno blue cones; rare, and affects men and women equally; ΔE 8.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.57:1WCAG large text: Fail
Contrast with black, large text8.17:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 7.3Light seagreen · ΔE 13.3Dark cyan · ΔE 16Medium turquoise · ΔE 17.1Teal · ΔE 19Dark turquoise · ΔE 19.9
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 7.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE6367
Analogous#63AE84, #638DAE
Triadic#AA63AE, #AEAA63
Split complementary#AE638D, #AE8463
Tetradic#8463AE, #AE6367, #8DAE63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F4F3
Lighter +30%#C8E2E1
Lighter +20%#A6D1CF
Lighter +10%#85BFBC
Darker −10%#4C928E
Darker −20%#3A716E
Darker −30%#294F4D
Darker −40%#182D2C
More saturated +25%#45CCC4
Less saturated −25%#819090

Channel breakdown

R99
G174
B170
Red99 (38.8%)
Green174 (68.2%)
Blue170 (66.7%)
Hue176.8°
Saturation (HSL)31.65%
Lightness53.53%
Dominant channelGreen
Hex per channelR 63 · G AE · B AA

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