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Recognised as Colour

#28E3B1

  • #28E3B1
  • Cyan
  • Light
  • Nearest: Aquamarine

#28E3B1 is a cyan with RGB values 40, 227, 177 and HSL 164°, 77%, 52%. It is a light colour, so black text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#28E3B1#28E3B1
HEX#28E3B1
RGBrgb(40, 227, 177)
RGB (0–1)0.1569, 0.8902, 0.6941
RGB percentages15.7%, 89%, 69.4%
HSLhsl(164, 77%, 52.4%)
HSV / HSBhsv(164, 82.4%, 89%)
CMYK82.4%, 0%, 22%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,679,729
CSS custom property--colour: #28E3B1;

Brightness & contrast

Relative luminance0.58564WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.71:1
Contrast with white1.65:1WCAG normal text: Fail
Contrast with black12.71:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#D71C4E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DDD3AEno red cones; affects about 1% of men; ΔE 53.8 from the original
Deuteranopia#C7C3B4no green cones; the most common form, about 1% of men; ΔE 54.6 from the original
Tritanopia#00E4D5no blue cones; rare, and affects men and women equally; ΔE 19.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.65:1WCAG large text: Fail
Contrast with black, large text12.71:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 15.1Medium aquamarine · ΔE 18.5Turquoise · ΔE 19.8Medium seagreen · ΔE 21.3Medium spring green · ΔE 26.2Light green · ΔE 27.2
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 15.1, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E3285A
Analogous#28E353, #28B7E3
Triadic#B128E3, #E3B128
Split complementary#E328B7, #E35328
Tetradic#5428E3, #E3285A, #B8E328

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCFBF2
Lighter +30%#AFF5E2
Lighter +20%#82EFD2
Lighter +10%#55E9C1
Darker −10%#19BF93
Darker −20%#139270
Darker −30%#0D654D
Darker −40%#07382B
More saturated +25%#0CFFBE
Less saturated −25%#46C5A3

Channel breakdown

R40
G227
B177
Red40 (15.7%)
Green227 (89%)
Blue177 (69.4%)
Hue163.96°
Saturation (HSL)76.95%
Lightness52.35%
Dominant channelGreen
Hex per channelR 28 · G E3 · B B1

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Every value on this page was computed from “28e3b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.