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Recognised as Colour

#21FB85

  • #21FB85
  • Green
  • Light
  • Nearest: Spring green

#21FB85 is a green with RGB values 33, 251, 133 and HSL 148°, 96%, 56%. It is a light colour, so black text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#21FB85#21FB85
HEX#21FB85
RGBrgb(33, 251, 133)
RGB (0–1)0.1294, 0.9843, 0.5216
RGB percentages12.9%, 98.4%, 52.2%
HSLhsl(147.5, 96.5%, 55.7%)
HSV / HSBhsv(147.5, 86.9%, 98.4%)
CMYK86.9%, 0%, 47%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,227,077
CSS custom property--colour: #21FB85;

Brightness & contrast

Relative luminance0.71011WCAG 2.x, 0 is black and 1 is white
Perceived brightness198.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.2:1
Contrast with white1.38:1WCAG normal text: Fail
Contrast with black15.2:1WCAG normal text: AAA
Greyscale equivalent#C4C4C4
Inverted#DE047A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FCE57Cno red cones; affects about 1% of men; ΔE 69 from the original
Deuteranopia#E5D58Eno green cones; the most common form, about 1% of men; ΔE 69.2 from the original
Tritanopia#00F7DFno blue cones; rare, and affects men and women equally; ΔE 49.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.38:1WCAG large text: Fail
Contrast with black, large text15.2:1WCAG large text: AAA

Named colours

Spring green · ΔE 5.4Medium spring green · ΔE 10.9Limegreen · ΔE 24.5Pale green · ΔE 25.7Light green · ΔE 27.8Medium seagreen · ΔE 38.4
Nearest named CSS colourSpring green (#00FF7F)ΔE 5.44, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB2197
Analogous#2AFB21, #21FBF2
Triadic#8521FB, #FB8521
Split complementary#F221FB, #FB212A
Tetradic#212AFB, #FB2197, #FBF221

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9FFF3
Lighter +30%#B7FED8
Lighter +20%#85FDBC
Lighter +10%#53FCA1
Darker −10%#04E56B
Darker −20%#03B354
Darker −30%#02813C
Darker −40%#014F25
More saturated +25%#1DFF85
Less saturated −25%#3DDF87

Channel breakdown

R33
G251
B133
Red33 (12.9%)
Green251 (98.4%)
Blue133 (52.2%)
Hue147.52°
Saturation (HSL)96.46%
Lightness55.69%
Dominant channelGreen
Hex per channelR 21 · G FB · B 85

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Every value on this page was computed from “21fb85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.