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Recognised as Colour

#28D8BA

  • #28D8BA
  • Cyan
  • Light
  • Nearest: Turquoise

#28D8BA is a cyan with RGB values 40, 216, 186 and HSL 170°, 69%, 50%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#28D8BA#28D8BA
HEX#28D8BA
RGBrgb(40, 216, 186)
RGB (0–1)0.1569, 0.8471, 0.7294
RGB percentages15.7%, 84.7%, 72.9%
HSLhsl(169.8, 69.3%, 50.2%)
HSV / HSBhsv(169.8, 81.5%, 84.7%)
CMYK81.5%, 0%, 13.9%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,676,922
CSS custom property--colour: #28D8BA;

Brightness & contrast

Relative luminance0.53108WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.62:1
Contrast with white1.81:1WCAG normal text: Fail
Contrast with black11.62:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#D72745

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFCAB9no red cones; affects about 1% of men; ΔE 48.3 from the original
Deuteranopia#B9BABCno green cones; the most common form, about 1% of men; ΔE 49.2 from the original
Tritanopia#00DBCFno blue cones; rare, and affects men and women equally; ΔE 9.9 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 text11.62:1WCAG large text: AAA

Named colours

Turquoise · ΔE 9Medium aquamarine · ΔE 12.2Aquamarine · ΔE 16.1Medium turquoise · ΔE 16.1Dark turquoise · ΔE 18.8Light seagreen · ΔE 19
Nearest named CSS colourTurquoise (#40E0D0)ΔE 9.02, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D82846
Analogous#28D862, #289ED8
Triadic#BA28D8, #D8BA28
Split complementary#D8289E, #D86228
Tetradic#6228D8, #D82846, #9ED828

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5F7F1
Lighter +30%#AAEFE4
Lighter +20%#7EE8D6
Lighter +10%#53E0C8
Darker −10%#1FAE95
Darker −20%#188270
Darker −30%#10574B
Darker −40%#082C26
More saturated +25%#08F8CF
Less saturated −25%#48B8A5

Channel breakdown

R40
G216
B186
Red40 (15.7%)
Green216 (84.7%)
Blue186 (72.9%)
Hue169.77°
Saturation (HSL)69.29%
Lightness50.2%
Dominant channelGreen
Hex per channelR 28 · G D8 · B BA

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Every value on this page was computed from “28d8ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.