Recognised as Colour

#21E1A8

#21E1A8
Cyan
Light
Nearest: Aquamarine

#21E1A8 is a cyan with RGB values 33, 225, 168 and HSL 162°, 76%, 51%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#21E1A8#21E1A8

HEX#21E1A8

RGBrgb(33, 225, 168)

RGB (0–1)0.1294, 0.8824, 0.6588

RGB percentages12.9%, 88.2%, 65.9%

HSLhsl(162.2, 76.2%, 50.6%)

HSV / HSBhsv(162.2, 85.3%, 88.2%)

CMYK85.3%, 0%, 25.3%, 11.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,220,456

CSS custom property--colour: #21E1A8;

Brightness & contrast

Relative luminance0.57001WCAG 2.x, 0 is black and 1 is white

Perceived brightness182.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.4:1

Contrast with white1.69:1WCAG normal text: Fail

Contrast with black12.4:1WCAG normal text: AAA

Greyscale equivalent#B4B4B4

Inverted#DE1E57

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#DCD0A5no red cones; affects about 1% of men; ΔE 55.5 from the original

Deuteranopia#C6C0ACno green cones; the most common form, about 1% of men; ΔE 56.4 from the original

Tritanopia#00E2D1no blue cones; rare, and affects men and women equally; ΔE 22 from the original

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

Contrast with white, large text1.69:1WCAG large text: Fail

Contrast with black, large text12.4:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 17.8 Medium seagreen · ΔE 19.6 Medium aquamarine · ΔE 21 Medium spring green · ΔE 22.6 Turquoise · ΔE 23.7 Light green · ΔE 25

Nearest named CSS colourAquamarine (#7FFFD4)ΔE 17.82, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#E1215A

Analogous#21E148, #21BAE1

Triadic#A821E1, #E1A821

Split complementary#E121BA, #E14821

Tetradic#4821E1, #E1215A, #BAE121

Tints, shades & saturation

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

Lighter +40%#D5F9EE

Lighter +30%#A8F3DD

Lighter +20%#7BEDCB

Lighter +10%#4EE7BA

Darker −10%#19B688

Darker −20%#138966

Darker −30%#0D5C45

Darker −40%#063023

More saturated +25%#03FFB4

Less saturated −25%#41C29B

Channel breakdown

R33

G225

B168

Red33 (12.9%)

Green225 (88.2%)

Blue168 (65.9%)

Hue162.19°

Saturation (HSL)76.19%

Lightness50.59%

Dominant channelGreen

Hex per channelR 21 · G E1 · B A8

Keep nerding

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#21E1A8

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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