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Colour

#21ED80

  • #21ED80
  • Green
  • Light
  • Nearest: Medium spring green

#21ED80 is a green with RGB values 33, 237, 128 and HSL 148°, 85%, 53%. It is a light colour, so black text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#21ED80#21ED80
HEX#21ED80
RGBrgb(33, 237, 128)
RGB (0–1)0.1294, 0.9294, 0.502
RGB percentages12.9%, 92.9%, 50.2%
HSLhsl(147.9, 85%, 52.9%)
HSV / HSBhsv(147.9, 86.1%, 92.9%)
CMYK86.1%, 0%, 46%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,223,488
CSS custom property--colour: #21ED80;

Brightness & contrast

Relative luminance0.6245WCAG 2.x, 0 is black and 1 is white
Perceived brightness187.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.49:1
Contrast with white1.56:1WCAG normal text: Fail
Contrast with black13.49:1WCAG normal text: AAA
Greyscale equivalent#BABABA
Inverted#DE127F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EDD878no red cones; affects about 1% of men; ΔE 65.4 from the original
Deuteranopia#D8C988no green cones; the most common form, about 1% of men; ΔE 65.8 from the original
Tritanopia#00EAD3no blue cones; rare, and affects men and women equally; ΔE 45.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.56:1WCAG large text: Fail
Contrast with black, large text13.49:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 8.6Spring green · ΔE 11.5Pale green · ΔE 22.7Light green · ΔE 23.8Limegreen · ΔE 24.1Medium seagreen · ΔE 32
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 8.59, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ED218E
Analogous#28ED21, #21EDE6
Triadic#8021ED, #ED8021
Split complementary#E621ED, #ED2128
Tetradic#2128ED, #ED218E, #EDE621

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEFCEC
Lighter +30%#AFF8D1
Lighter +20%#7FF5B6
Lighter +10%#50F19B
Darker −10%#10CB67
Darker −20%#0D9B4F
Darker −30%#096C37
Darker −40%#053D1F
More saturated +25%#0FFF7F
Less saturated −25%#3FCF82

Channel breakdown

R33
G237
B128
Red33 (12.9%)
Green237 (92.9%)
Blue128 (50.2%)
Hue147.94°
Saturation (HSL)85%
Lightness52.94%
Dominant channelGreen
Hex per channelR 21 · G ED · B 80

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Every value on this page was computed from “21ed80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.