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Colour

#21DD41

  • #21DD41
  • Green
  • Light
  • Nearest: Limegreen

#21DD41 is a green with RGB values 33, 221, 65 and HSL 130°, 74%, 50%. It is a light colour, so black text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21DD41#21DD41
HEX#21DD41
RGBrgb(33, 221, 65)
RGB (0–1)0.1294, 0.8667, 0.2549
RGB percentages12.9%, 86.7%, 25.5%
HSLhsl(130.2, 74%, 49.8%)
HSV / HSBhsv(130.2, 85.1%, 86.7%)
CMYK85.1%, 0%, 70.6%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,219,329
CSS custom property--colour: #21DD41;

Brightness & contrast

Relative luminance0.52418WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.48:1
Contrast with white1.83:1WCAG normal text: Fail
Contrast with black11.48:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#DE22BE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E1C828no red cones; affects about 1% of men; ΔE 67.7 from the original
Deuteranopia#CEBA51no green cones; the most common form, about 1% of men; ΔE 67.6 from the original
Tritanopia#00D7BEno blue cones; rare, and affects men and women equally; ΔE 65.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.83:1WCAG large text: Fail
Contrast with black, large text11.48:1WCAG large text: AAA

Named colours

Limegreen · ΔE 7.4Spring green · ΔE 18.3Lawn green · ΔE 26.8Lime · ΔE 27.8Chartreuse · ΔE 28Medium spring green · ΔE 30.3
Nearest named CSS colourLimegreen (#32CD32)ΔE 7.44, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD21BD
Analogous#5FDD21, #21DD9F
Triadic#4121DD, #DD4121
Split complementary#9F21DD, #DD215F
Tetradic#215FDD, #DD21BD, #DD9F21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2F8D8
Lighter +30%#A5F2B2
Lighter +20%#79EB8C
Lighter +10%#4DE466
Darker −10%#1AB134
Darker −20%#148427
Darker −30%#0D581A
Darker −40%#062C0D
More saturated +25%#01FD2C
Less saturated −25%#41BD56

Channel breakdown

R33
G221
B65
Red33 (12.9%)
Green221 (86.7%)
Blue65 (25.5%)
Hue130.21°
Saturation (HSL)74.02%
Lightness49.8%
Dominant channelGreen
Hex per channelR 21 · G DD · B 41

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Every value on this page was computed from “21dd41” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.