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Colour

#21C74B

  • #21C74B
  • Green
  • Dark
  • Nearest: Limegreen

#21C74B is a green with RGB values 33, 199, 75 and HSL 135°, 72%, 45%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21C74B#21C74B
HEX#21C74B
RGBrgb(33, 199, 75)
RGB (0–1)0.1294, 0.7804, 0.2941
RGB percentages12.9%, 78%, 29.4%
HSLhsl(135.2, 71.6%, 45.5%)
HSV / HSBhsv(135.2, 83.4%, 78%)
CMYK83.4%, 0%, 62.3%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,213,707
CSS custom property--colour: #21C74B;

Brightness & contrast

Relative luminance0.41678WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.34:1
Contrast with white2.25:1WCAG normal text: Fail
Contrast with black9.34:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#DE38B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CAB43Dno red cones; affects about 1% of men; ΔE 60.8 from the original
Deuteranopia#B8A856no green cones; the most common form, about 1% of men; ΔE 60.3 from the original
Tritanopia#00C2ADno blue cones; rare, and affects men and women equally; ΔE 54.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.25:1WCAG large text: Fail
Contrast with black, large text9.34:1WCAG large text: AAA

Named colours

Limegreen · ΔE 12.2Spring green · ΔE 21.6Medium spring green · ΔE 24.6Forest green · ΔE 25.7Light green · ΔE 27.6Green · ΔE 27.8
Nearest named CSS colourLimegreen (#32CD32)ΔE 12.18, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C7219D
Analogous#4AC721, #21C79E
Triadic#4B21C7, #C74B21
Split complementary#9E21C7, #C7214A
Tetradic#214AC7, #C7219D, #C79E21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0F4CD
Lighter +30%#94EDAA
Lighter +20%#68E688
Lighter +10%#3CDF65
Darker −10%#1A9B3B
Darker −20%#12702A
Darker −30%#0B441A
Darker −40%#041809
More saturated +25%#04E43D
Less saturated −25%#3EAA59

Channel breakdown

R33
G199
B75
Red33 (12.9%)
Green199 (78%)
Blue75 (29.4%)
Hue135.18°
Saturation (HSL)71.55%
Lightness45.49%
Dominant channelGreen
Hex per channelR 21 · G C7 · B 4B

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Every value on this page was computed from “21c74b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.