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Recognised as Colour

#5BFB21

  • #5BFB21
  • Green
  • Light
  • Nearest: Lawn green

#5BFB21 is a green with RGB values 91, 251, 33 and HSL 104°, 96%, 56%. It is a light colour, so black text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#5BFB21#5BFB21
HEX#5BFB21
RGBrgb(91, 251, 33)
RGB (0–1)0.3569, 0.9843, 0.1294
RGB percentages35.7%, 98.4%, 12.9%
HSLhsl(104, 96.5%, 55.7%)
HSV / HSBhsv(104, 86.9%, 98.4%)
CMYK63.7%, 0%, 86.9%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,028,065
CSS custom property--colour: #5BFB21;

Brightness & contrast

Relative luminance0.71328WCAG 2.x, 0 is black and 1 is white
Perceived brightness199 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.27:1
Contrast with white1.38:1WCAG normal text: Fail
Contrast with black15.27:1WCAG normal text: AAA
Greyscale equivalent#C9C9C9
Inverted#A404DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE400no red cones; affects about 1% of men; ΔE 67.2 from the original
Deuteranopia#EFD742no green cones; the most common form, about 1% of men; ΔE 68.1 from the original
Tritanopia#42F2D6no blue cones; rare, and affects men and women equally; ΔE 82.8 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 text15.27:1WCAG large text: AAA

Named colours

Lawn green · ΔE 8.8Chartreuse · ΔE 9.3Lime · ΔE 11.7Green yellow · ΔE 22.9Limegreen · ΔE 25Spring green · ΔE 32.9
Nearest named CSS colourLawn green (#7CFC00)ΔE 8.81, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C121FB
Analogous#C8FB21, #21FB54
Triadic#215BFB, #FB215B
Split complementary#5421FB, #FB21C8
Tetradic#21C8FB, #C121FB, #FB5421

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFFFE9
Lighter +30%#CAFEB7
Lighter +20%#A5FD85
Lighter +10%#80FC53
Darker −10%#40E504
Darker −20%#32B303
Darker −30%#248102
Darker −40%#164F01
More saturated +25%#59FF1D
Less saturated −25%#68DF3D

Channel breakdown

R91
G251
B33
Red91 (35.7%)
Green251 (98.4%)
Blue33 (12.9%)
Hue104.04°
Saturation (HSL)96.46%
Lightness55.69%
Dominant channelGreen
Hex per channelR 5B · G FB · B 21

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Every value on this page was computed from “5bfb21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.