Colour

#28E0DB

#28E0DB
Cyan
Light
Nearest: Turquoise

#28E0DB is a cyan with RGB values 40, 224, 219 and HSL 178°, 75%, 52%. It is a light colour, so black text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#28E0DB#28E0DB

HEX#28E0DB

RGBrgb(40, 224, 219)

RGB (0–1)0.1569, 0.8784, 0.8588

RGB percentages15.7%, 87.8%, 85.9%

HSLhsl(178.4, 74.8%, 51.8%)

HSV / HSBhsv(178.4, 82.1%, 87.8%)

CMYK82.1%, 0%, 2.2%, 12.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,679,003

CSS custom property--colour: #28E0DB;

Brightness & contrast

Relative luminance0.58877WCAG 2.x, 0 is black and 1 is white

Perceived brightness188.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.78:1

Contrast with white1.64:1WCAG normal text: Fail

Contrast with black12.78:1WCAG normal text: AAA

Greyscale equivalent#B9B9B9

Inverted#D71F24

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D2D4DBno red cones; affects about 1% of men; ΔE 44.6 from the original

Deuteranopia#B9C2DCno green cones; the most common form, about 1% of men; ΔE 45.8 from the original

Tritanopia#00E7DEno blue cones; rare, and affects men and women equally; ΔE 4.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text1.64:1WCAG large text: Fail

Contrast with black, large text12.78:1WCAG large text: AAA

Named colours

Turquoise · ΔE 6 Medium turquoise · ΔE 7.6 Dark turquoise · ΔE 7.7 Aqua · ΔE 11.7 Cyan · ΔE 11.7 Light seagreen · ΔE 16.9

Nearest named CSS colourTurquoise (#40E0D0)ΔE 5.99, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#E0282D

Analogous#28E07F, #2889E0

Triadic#DB28E0, #E0DB28

Split complementary#E02889, #E07F28

Tetradic#7F28E0, #E0282D, #89E028

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#DAFAF9

Lighter +30%#AEF3F1

Lighter +20%#81EDEA

Lighter +10%#55E6E2

Darker −10%#1BBAB6

Darker −20%#148E8A

Darker −30%#0E615F

Darker −40%#083433

More saturated +25%#09FFF8

Less saturated −25%#47C1BE

Channel breakdown

R40

G224

B219

Red40 (15.7%)

Green224 (87.8%)

Blue219 (85.9%)

Hue178.37°

Saturation (HSL)74.8%

Lightness51.76%

Dominant channelGreen

Hex per channelR 28 · G E0 · B DB

Keep nerding

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#28E0DB

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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