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Recognised as Colour

#21C010

  • #21C010
  • Green
  • Dark
  • Nearest: Limegreen

#21C010 is a green with RGB values 33, 192, 16 and HSL 114°, 85%, 41%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21C010#21C010
HEX#21C010
RGBrgb(33, 192, 16)
RGB (0–1)0.1294, 0.7529, 0.0627
RGB percentages12.9%, 75.3%, 6.3%
HSLhsl(114.2, 84.6%, 40.8%)
HSV / HSBhsv(114.2, 91.7%, 75.3%)
CMYK82.8%, 0%, 91.7%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,211,856
CSS custom property--colour: #21C010;

Brightness & contrast

Relative luminance0.3806WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.61:1
Contrast with white2.44:1WCAG normal text: Fail
Contrast with black8.61:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#DE3FEF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C5AD00no red cones; affects about 1% of men; ΔE 62.1 from the original
Deuteranopia#B4A22Eno green cones; the most common form, about 1% of men; ΔE 61.3 from the original
Tritanopia#00BAA3no blue cones; rare, and affects men and women equally; ΔE 68.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.44:1WCAG large text: Fail
Contrast with black, large text8.61:1WCAG large text: AAA

Named colours

Limegreen · ΔE 6.1Lawn green · ΔE 28.5Spring green · ΔE 29.3Chartreuse · ΔE 29.8Yellow green · ΔE 30.3Green · ΔE 31
Nearest named CSS colourLimegreen (#32CD32)ΔE 6.14, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF10C0
Analogous#79C010, #10C057
Triadic#1021C0, #C01021
Split complementary#5710C0, #C01079
Tetradic#1079C0, #AF10C0, #C05710

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADF7A5
Lighter +30%#82F475
Lighter +20%#57F046
Lighter +10%#2CEC17
Darker −10%#19910C
Darker −20%#116208
Darker −30%#093304
Darker −40%#010400
More saturated +25%#14D000
Less saturated −25%#36A62A

Channel breakdown

R33
G192
B16
Red33 (12.9%)
Green192 (75.3%)
Blue16 (6.3%)
Hue114.2°
Saturation (HSL)84.62%
Lightness40.78%
Dominant channelGreen
Hex per channelR 21 · G C0 · B 10

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Every value on this page was computed from “21c010” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.