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Recognised as Colour

#4ECDB4

  • #4ECDB4
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#4ECDB4 is a cyan with RGB values 78, 205, 180 and HSL 168°, 56%, 55%. 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

#4ECDB4#4ECDB4
HEX#4ECDB4
RGBrgb(78, 205, 180)
RGB (0–1)0.3059, 0.8039, 0.7059
RGB percentages30.6%, 80.4%, 70.6%
HSLhsl(168.2, 55.9%, 55.5%)
HSV / HSBhsv(168.2, 62%, 80.4%)
CMYK62%, 0%, 12.2%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,164,468
CSS custom property--colour: #4ECDB4;

Brightness & contrast

Relative luminance0.48578WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.72:1
Contrast with white1.96:1WCAG normal text: Fail
Contrast with black10.72:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#B1324B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C5C1B3no red cones; affects about 1% of men; ΔE 40.3 from the original
Deuteranopia#B3B3B6no green cones; the most common form, about 1% of men; ΔE 41.7 from the original
Tritanopia#00D0C5no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.96:1WCAG large text: Fail
Contrast with black, large text10.72:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 6.7Turquoise · ΔE 9.2Medium turquoise · ΔE 11.2Light seagreen · ΔE 13.1Dark turquoise · ΔE 15.6Aquamarine · ΔE 19.1
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 6.73, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD4E67
Analogous#4ECD74, #4EA7CD
Triadic#B44ECD, #CDB44E
Split complementary#CD4EA7, #CD744E
Tetradic#744ECD, #CD4E67, #A7CD4E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDFAF7
Lighter +30%#C5EFE7
Lighter +20%#9EE3D6
Lighter +10%#76D8C5
Darker −10%#33B59B
Darker −20%#288D79
Darker −30%#1D6557
Darker −40%#113E35
More saturated +25%#32E9C5
Less saturated −25%#6AB1A3

Channel breakdown

R78
G205
B180
Red78 (30.6%)
Green205 (80.4%)
Blue180 (70.6%)
Hue168.19°
Saturation (HSL)55.95%
Lightness55.49%
Dominant channelGreen
Hex per channelR 4E · G CD · B B4

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Every value on this page was computed from “4ecdb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.