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Recognised as Colour

#21BF6F

  • #21BF6F
  • Green
  • Dark
  • Nearest: Medium seagreen

#21BF6F is a green with RGB values 33, 191, 111 and HSL 150°, 71%, 44%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#21BF6F#21BF6F
HEX#21BF6F
RGBrgb(33, 191, 111)
RGB (0–1)0.1294, 0.749, 0.4353
RGB percentages12.9%, 74.9%, 43.5%
HSLhsl(149.6, 70.5%, 43.9%)
HSV / HSBhsv(149.6, 82.7%, 74.9%)
CMYK82.7%, 0%, 41.9%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,211,695
CSS custom property--colour: #21BF6F;

Brightness & contrast

Relative luminance0.38733WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.75:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.75:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#DE4090

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BFAF69no red cones; affects about 1% of men; ΔE 53.6 from the original
Deuteranopia#ADA274no green cones; the most common form, about 1% of men; ΔE 53.9 from the original
Tritanopia#00BDABno blue cones; rare, and affects men and women equally; ΔE 34.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.4:1WCAG large text: Fail
Contrast with black, large text8.75:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 10.7Light green · ΔE 22.1Medium spring green · ΔE 23.5Forest green · ΔE 24.8Pale green · ΔE 25.4Sea green · ΔE 26
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 10.68, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF2171
Analogous#22BF21, #21BFBE
Triadic#6F21BF, #BF6F21
Split complementary#BE21BF, #BF2122
Tetradic#2122BF, #BF2171, #BFBE21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9F3D6
Lighter +30%#8EEBBC
Lighter +20%#62E4A2
Lighter +10%#37DC88
Darker −10%#199456
Darker −20%#12683C
Darker −30%#0A3D23
Darker −40%#03110A
More saturated +25%#05DB6F
Less saturated −25%#3DA36F

Channel breakdown

R33
G191
B111
Red33 (12.9%)
Green191 (74.9%)
Blue111 (43.5%)
Hue149.62°
Saturation (HSL)70.54%
Lightness43.92%
Dominant channelGreen
Hex per channelR 21 · G BF · B 6F

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Every value on this page was computed from “21bf6f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.