Recognised as Colour

#21DB01

#21DB01
Green
Light
Nearest: Limegreen

#21DB01 is a green with RGB values 33, 219, 1 and HSL 111°, 99%, 43%. It is a light colour, so black text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21DB01#21DB01

HEX#21DB01

RGBrgb(33, 219, 1)

RGB (0–1)0.1294, 0.8588, 0.0039

RGB percentages12.9%, 85.9%, 0.4%

HSLhsl(111.2, 99.1%, 43.1%)

HSV / HSBhsv(111.2, 99.5%, 85.9%)

CMYK84.9%, 0%, 99.5%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,218,753

CSS custom property--colour: #21DB01;

Brightness & contrast

Relative luminance0.50989WCAG 2.x, 0 is black and 1 is white

Perceived brightness168.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 11.2:1

Contrast with white1.88:1WCAG normal text: Fail

Contrast with black11.2:1WCAG normal text: AAA

Greyscale equivalent#A4A4A4

Inverted#DE24FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E0C500no red cones; affects about 1% of men; ΔE 69.3 from the original

Deuteranopia#CEB831no green cones; the most common form, about 1% of men; ΔE 69.3 from the original

Tritanopia#00D4BAno blue cones; rare, and affects men and women equally; ΔE 78.1 from the original

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

Contrast with white, large text1.88:1WCAG large text: Fail

Contrast with black, large text11.2:1WCAG large text: AAA

Named colours

Limegreen · ΔE 15.6 Lawn green · ΔE 17.7 Lime · ΔE 18.1 Chartreuse · ΔE 18.8 Green yellow · ΔE 28.3 Spring green · ΔE 29.8

Nearest named CSS colourLimegreen (#32CD32)ΔE 15.62, a distinctly different colour

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BB01DB

Analogous#8EDB01, #01DB4E

Triadic#0121DB, #DB0121

Split complementary#4E01DB, #DB018E

Tetradic#018EDB, #BB01DB, #DB4E01

Tints, shades & saturation

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

Lighter +40%#B6FFA9

Lighter +30%#8BFE77

Lighter +20%#5FFE44

Lighter +10%#34FE11

Darker −10%#19A801

Darker −20%#127501

Darker −30%#0A4300

Darker −40%#021000

More saturated +25%#20DC00

Less saturated −25%#34C01C

Channel breakdown

R33

G219

Red33 (12.9%)

Green219 (85.9%)

Blue1 (0.4%)

Hue111.19°

Saturation (HSL)99.09%

Lightness43.14%

Dominant channelGreen

Hex per channelR 21 · G DB · B 01

Keep nerding

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#21DB01

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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