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Recognised as Colour

#28DC9D

  • #28DC9D
  • Cyan
  • Light
  • Nearest: Medium seagreen

#28DC9D is a cyan with RGB values 40, 220, 157 and HSL 159°, 72%, 51%. It is a light colour, so black text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#28DC9D#28DC9D
HEX#28DC9D
RGBrgb(40, 220, 157)
RGB (0–1)0.1569, 0.8627, 0.6157
RGB percentages15.7%, 86.3%, 61.6%
HSLhsl(159, 72%, 51%)
HSV / HSBhsv(159, 81.8%, 86.3%)
CMYK81.8%, 0%, 28.6%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,677,917
CSS custom property--colour: #28DC9D;

Brightness & contrast

Relative luminance0.54072WCAG 2.x, 0 is black and 1 is white
Perceived brightness178 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.81:1
Contrast with white1.78:1WCAG normal text: Fail
Contrast with black11.81:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#D72362

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D8CB99no red cones; affects about 1% of men; ΔE 55.1 from the original
Deuteranopia#C3BCA1no green cones; the most common form, about 1% of men; ΔE 55.7 from the original
Tritanopia#00DCCBno blue cones; rare, and affects men and women equally; ΔE 25.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.78:1WCAG large text: Fail
Contrast with black, large text11.81:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 17Aquamarine · ΔE 20.3Medium spring green · ΔE 20.8Medium aquamarine · ΔE 22.1Light green · ΔE 22.7Pale green · ΔE 24.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 17.02, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DC2867
Analogous#28DC43, #28C1DC
Triadic#9D28DC, #DC9D28
Split complementary#DC28C1, #DC4328
Tetradic#4328DC, #DC2867, #C1DC28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7F9ED
Lighter +30%#ACF1D9
Lighter +20%#80EAC5
Lighter +10%#54E3B1
Darker −10%#1DB47F
Darker −20%#168860
Darker −30%#0F5C41
Darker −40%#083022
More saturated +25%#09FBA6
Less saturated −25%#47BD94

Channel breakdown

R40
G220
B157
Red40 (15.7%)
Green220 (86.3%)
Blue157 (61.6%)
Hue159°
Saturation (HSL)72%
Lightness50.98%
Dominant channelGreen
Hex per channelR 28 · G DC · B 9D

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Every value on this page was computed from “28dc9d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.