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Colour

#21DA78

  • #21DA78
  • Green
  • Light
  • Nearest: Medium spring green

#21DA78 is a green with RGB values 33, 218, 120 and HSL 148°, 74%, 49%. It is a light colour, so black text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#21DA78#21DA78
HEX#21DA78
RGBrgb(33, 218, 120)
RGB (0–1)0.1294, 0.8549, 0.4706
RGB percentages12.9%, 85.5%, 47.1%
HSLhsl(148.2, 73.7%, 49.2%)
HSV / HSBhsv(148.2, 84.9%, 85.5%)
CMYK84.9%, 0%, 45%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,218,616
CSS custom property--colour: #21DA78;

Brightness & contrast

Relative luminance0.51822WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.36:1
Contrast with white1.85:1WCAG normal text: Fail
Contrast with black11.36:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#DE2587

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DAC771no red cones; affects about 1% of men; ΔE 60.7 from the original
Deuteranopia#C6B97Fno green cones; the most common form, about 1% of men; ΔE 60.9 from the original
Tritanopia#00D7C2no blue cones; rare, and affects men and women equally; ΔE 41.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.85:1WCAG large text: Fail
Contrast with black, large text11.36:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 12.4Spring green · ΔE 19.9Light green · ΔE 20.6Pale green · ΔE 21.4Medium seagreen · ΔE 23.5Limegreen · ΔE 25.8
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 12.39, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA2183
Analogous#26DA21, #21DAD5
Triadic#7821DA, #DA7821
Split complementary#D521DA, #DA2126
Tetradic#2126DA, #DA2183, #DAD521

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFF8E2
Lighter +30%#A3F1C8
Lighter +20%#77EAAD
Lighter +10%#4AE492
Darker −10%#1AAE60
Darker −20%#148147
Darker −30%#0D552F
Darker −40%#062916
More saturated +25%#02F976
Less saturated −25%#40BB7A

Channel breakdown

R33
G218
B120
Red33 (12.9%)
Green218 (85.5%)
Blue120 (47.1%)
Hue148.22°
Saturation (HSL)73.71%
Lightness49.22%
Dominant channelGreen
Hex per channelR 21 · G DA · B 78

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Every value on this page was computed from “21da78” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.