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Recognised as Colour

#28DB89

  • #28DB89
  • Cyan
  • Light
  • Nearest: Medium spring green

#28DB89 is a cyan with RGB values 40, 219, 137 and HSL 153°, 71%, 51%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#28DB89#28DB89
HEX#28DB89
RGBrgb(40, 219, 137)
RGB (0–1)0.1569, 0.8588, 0.5373
RGB percentages15.7%, 85.9%, 53.7%
HSLhsl(152.5, 71.3%, 50.8%)
HSV / HSBhsv(152.5, 81.7%, 85.9%)
CMYK81.7%, 0%, 37.4%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,677,641
CSS custom property--colour: #28DB89;

Brightness & contrast

Relative luminance0.5292WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.58:1
Contrast with white1.81:1WCAG normal text: Fail
Contrast with black11.58:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#D72476

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DAC984no red cones; affects about 1% of men; ΔE 58.2 from the original
Deuteranopia#C5BB8Eno green cones; the most common form, about 1% of men; ΔE 58 from the original
Tritanopia#00D9C6no blue cones; rare, and affects men and women equally; ΔE 34.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.81:1WCAG large text: Fail
Contrast with black, large text11.58:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 14Medium seagreen · ΔE 18.6Light green · ΔE 19.3Pale green · ΔE 20.9Spring green · ΔE 26.5Aquamarine · ΔE 28.3
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 13.96, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DB287A
Analogous#28DB2F, #28D4DB
Triadic#8928DB, #DB8928
Split complementary#DB28D3, #DB2F28
Tetradic#3028DB, #DB287A, #D4DB28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7F8E9
Lighter +30%#ABF1D1
Lighter +20%#7FEAB9
Lighter +10%#54E2A1
Darker −10%#1EB26E
Darker −20%#178653
Darker −30%#0F5B38
Darker −40%#082F1D
More saturated +25%#09FA8C
Less saturated −25%#47BC86

Channel breakdown

R40
G219
B137
Red40 (15.7%)
Green219 (85.9%)
Blue137 (53.7%)
Hue152.51°
Saturation (HSL)71.31%
Lightness50.78%
Dominant channelGreen
Hex per channelR 28 · G DB · B 89

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Every value on this page was computed from “28db89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.