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Colour

#64AAB4

  • #64AAB4
  • Cyan
  • Dark
  • Nearest: Cadetblue

#64AAB4 is a cyan with RGB values 100, 170, 180 and HSL 188°, 35%, 55%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#64AAB4#64AAB4
HEX#64AAB4
RGBrgb(100, 170, 180)
RGB (0–1)0.3922, 0.6667, 0.7059
RGB percentages39.2%, 66.7%, 70.6%
HSLhsl(187.5, 34.8%, 54.9%)
HSV / HSBhsv(187.5, 44.4%, 70.6%)
CMYK44.4%, 5.6%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,597,300
CSS custom property--colour: #64AAB4;

Brightness & contrast

Relative luminance0.34754WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.95:1
Contrast with white2.64:1WCAG normal text: Fail
Contrast with black7.95:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#9B554B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9FA5B5no red cones; affects about 1% of men; ΔE 20.8 from the original
Deuteranopia#929BB4no green cones; the most common form, about 1% of men; ΔE 21.7 from the original
Tritanopia#3EB0ADno blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.64:1WCAG large text: Fail
Contrast with black, large text7.95:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 6.4Sky blue · ΔE 17.1Dark cyan · ΔE 17.7Light seagreen · ΔE 19Light slate grey · ΔE 19.7Teal · ΔE 20
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 6.38, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B46E64
Analogous#64B496, #6482B4
Triadic#B464AA, #AAB464
Split complementary#B46482, #B49664
Tetradic#9664B4, #B46E64, #82B464

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDF5F7
Lighter +30%#CBE3E6
Lighter +20%#A9D0D5
Lighter +10%#86BDC5
Darker −10%#4B909A
Darker −20%#3A7078
Darker −30%#295056
Darker −40%#193033
More saturated +25%#47C0D1
Less saturated −25%#819497

Channel breakdown

R100
G170
B180
Red100 (39.2%)
Green170 (66.7%)
Blue180 (70.6%)
Hue187.5°
Saturation (HSL)34.78%
Lightness54.9%
Dominant channelBlue
Hex per channelR 64 · G AA · B B4

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Every value on this page was computed from “64aab4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.