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Recognised as Colour

#28A17E

  • #28A17E
  • Cyan
  • Dark
  • Nearest: Sea green

#28A17E is a cyan with RGB values 40, 161, 126 and HSL 163°, 60%, 39%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#28A17E#28A17E
HEX#28A17E
RGBrgb(40, 161, 126)
RGB (0–1)0.1569, 0.6314, 0.4941
RGB percentages15.7%, 63.1%, 49.4%
HSLhsl(162.6, 60.2%, 39.4%)
HSV / HSBhsv(162.6, 75.2%, 63.1%)
CMYK75.2%, 0%, 21.7%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,662,782
CSS custom property--colour: #28A17E;

Brightness & contrast

Relative luminance0.27447WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.49:1
Contrast with white3.24:1WCAG normal text: Fail
Contrast with black6.49:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#D75E81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9D967Cno red cones; affects about 1% of men; ΔE 39.7 from the original
Deuteranopia#8D8A80no green cones; the most common form, about 1% of men; ΔE 40.5 from the original
Tritanopia#00A297no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.24:1WCAG large text: AA
Contrast with black, large text6.49:1WCAG large text: AAA

Named colours

Sea green · ΔE 13.7Medium aquamarine · ΔE 16.6Light seagreen · ΔE 17Medium seagreen · ΔE 17.9Dark cyan · ΔE 22Dark seagreen · ΔE 23.3
Nearest named CSS colourSea green (#2E8B57)ΔE 13.66, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A1284B
Analogous#28A141, #2887A1
Triadic#7E28A1, #A17E28
Split complementary#A12887, #A14128
Tetradic#4228A1, #A1284B, #88A128

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABEAD8
Lighter +30%#82E0C5
Lighter +20%#59D6B2
Lighter +10%#32CA9E
Darker −10%#1E785E
Darker −20%#144F3E
Darker −30%#0A261E
Darker −40%#000000
More saturated +25%#0FBA89
Less saturated −25%#418873

Channel breakdown

R40
G161
B126
Red40 (15.7%)
Green161 (63.1%)
Blue126 (49.4%)
Hue162.64°
Saturation (HSL)60.2%
Lightness39.41%
Dominant channelGreen
Hex per channelR 28 · G A1 · B 7E

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Every value on this page was computed from “28a17e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.