Colour

#21E2CB

#21E2CB
Cyan
Light
Nearest: Turquoise

#21E2CB is a cyan with RGB values 33, 226, 203 and HSL 173°, 77%, 51%. 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

#21E2CB#21E2CB

HEX#21E2CB

RGBrgb(33, 226, 203)

RGB (0–1)0.1294, 0.8863, 0.7961

RGB percentages12.9%, 88.6%, 79.6%

HSLhsl(172.8, 76.9%, 50.8%)

HSV / HSBhsv(172.8, 85.4%, 88.6%)

CMYK85.4%, 0%, 10.2%, 11.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,220,747

CSS custom property--colour: #21E2CB;

Brightness & contrast

Relative luminance0.59028WCAG 2.x, 0 is black and 1 is white

Perceived brightness187.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.81:1

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

Contrast with black12.81:1WCAG normal text: AAA

Greyscale equivalent#B7B7B7

Inverted#DE1D34

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D7D4CAno red cones; affects about 1% of men; ΔE 49 from the original

Deuteranopia#BFC3CDno green cones; the most common form, about 1% of men; ΔE 49.9 from the original

Tritanopia#00E6DBno blue cones; rare, and affects men and women equally; ΔE 6.7 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 text12.81:1WCAG large text: AAA

Named colours

Turquoise · ΔE 5.7 Medium turquoise · ΔE 14.4 Medium aquamarine · ΔE 15.6 Aquamarine · ΔE 15.8 Aqua · ΔE 16.1 Cyan · ΔE 16.1

Nearest named CSS colourTurquoise (#40E0D0)ΔE 5.73, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#E22138

Analogous#21E26B, #2198E2

Triadic#CB21E2, #E2CB21

Split complementary#E22199, #E26A21

Tetradic#6A21E2, #E22138, #99E221

Tints, shades & saturation

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

Lighter +40%#D5FAF5

Lighter +30%#A8F4EB

Lighter +20%#7BEEE0

Lighter +10%#4EE8D6

Darker −10%#18B8A5

Darker −20%#128B7C

Darker −30%#0C5E54

Darker −40%#06312C

More saturated +25%#04FFE1

Less saturated −25%#40C3B3

Channel breakdown

R33

G226

B203

Red33 (12.9%)

Green226 (88.6%)

Blue203 (79.6%)

Hue172.85°

Saturation (HSL)76.89%

Lightness50.78%

Dominant channelGreen

Hex per channelR 21 · G E2 · B CB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#21E2CB

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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