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Colour

#21BF3B

  • #21BF3B
  • Green
  • Dark
  • Nearest: Limegreen

#21BF3B is a green with RGB values 33, 191, 59 and HSL 130°, 71%, 44%. 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

#21BF3B#21BF3B
HEX#21BF3B
RGBrgb(33, 191, 59)
RGB (0–1)0.1294, 0.749, 0.2314
RGB percentages12.9%, 74.9%, 23.1%
HSLhsl(129.9, 70.5%, 43.9%)
HSV / HSBhsv(129.9, 82.7%, 74.9%)
CMYK82.7%, 0%, 69.1%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,211,643
CSS custom property--colour: #21BF3B;

Brightness & contrast

Relative luminance0.37901WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.58:1
Contrast with white2.45:1WCAG normal text: Fail
Contrast with black8.58:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#DE40C4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2AD28no red cones; affects about 1% of men; ΔE 59.5 from the original
Deuteranopia#B2A148no green cones; the most common form, about 1% of men; ΔE 59.6 from the original
Tritanopia#00BAA4no blue cones; rare, and affects men and women equally; ΔE 56.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.45:1WCAG large text: Fail
Contrast with black, large text8.58:1WCAG large text: AAA

Named colours

Limegreen · ΔE 9.8Forest green · ΔE 24.2Spring green · ΔE 24.9Green · ΔE 25.3Medium spring green · ΔE 29.2Light green · ΔE 30.6
Nearest named CSS colourLimegreen (#32CD32)ΔE 9.8, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF21A5
Analogous#56BF21, #21BF8A
Triadic#3B21BF, #BF3B21
Split complementary#8A21BF, #BF2156
Tetradic#2156BF, #BF21A5, #BF8A21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9F3C3
Lighter +30%#8EEB9D
Lighter +20%#62E477
Lighter +10%#37DC52
Darker −10%#19942E
Darker −20%#126820
Darker −30%#0A3D13
Darker −40%#031105
More saturated +25%#05DB28
Less saturated −25%#3DA34E

Channel breakdown

R33
G191
B59
Red33 (12.9%)
Green191 (74.9%)
Blue59 (23.1%)
Hue129.87°
Saturation (HSL)70.54%
Lightness43.92%
Dominant channelGreen
Hex per channelR 21 · G BF · B 3B

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Every value on this page was computed from “21bf3b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.