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Recognised as Colour

#21FF36

  • #21FF36
  • Green
  • Light
  • Nearest: Lime

#21FF36 is a green with RGB values 33, 255, 54 and HSL 126°, 100%, 56%. It is a light colour, so black text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Lime.

Colour values

#21FF36#21FF36
HEX#21FF36
RGBrgb(33, 255, 54)
RGB (0–1)0.1294, 1, 0.2118
RGB percentages12.9%, 100%, 21.2%
HSLhsl(125.7, 100%, 56.5%)
HSV / HSBhsv(125.7, 87.1%, 100%)
CMYK87.1%, 0%, 78.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,228,022
CSS custom property--colour: #21FF36;

Brightness & contrast

Relative luminance0.7211WCAG 2.x, 0 is black and 1 is white
Perceived brightness197 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.42:1
Contrast with white1.36:1WCAG normal text: Fail
Contrast with black15.42:1WCAG normal text: AAA
Greyscale equivalent#C1C1C1
Inverted#DE00C9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE600no red cones; affects about 1% of men; ΔE 75.2 from the original
Deuteranopia#EED74Fno green cones; the most common form, about 1% of men; ΔE 76.5 from the original
Tritanopia#00F8DAno blue cones; rare, and affects men and women equally; ΔE 79.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.36:1WCAG large text: Fail
Contrast with black, large text15.42:1WCAG large text: AAA

Named colours

Lime · ΔE 8.7Lawn green · ΔE 18.2Chartreuse · ΔE 18.6Limegreen · ΔE 26Spring green · ΔE 28.7Green yellow · ΔE 31.6
Nearest named CSS colourLime (#00FF00)ΔE 8.73, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF21EA
Analogous#7BFF21, #21FFA5
Triadic#3621FF, #FF3621
Split complementary#A521FF, #FF217B
Tetradic#217BFF, #FF21EA, #FFA521

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDFFEF
Lighter +30%#BAFFC1
Lighter +20%#87FF92
Lighter +10%#54FF64
Darker −10%#00ED16
Darker −20%#00BA12
Darker −30%#00870D
Darker −40%#005408
More saturated +25%#21FF36
Less saturated −25%#3DE34D

Channel breakdown

R33
G255
B54
Red33 (12.9%)
Green255 (100%)
Blue54 (21.2%)
Hue125.68°
Saturation (HSL)100%
Lightness56.47%
Dominant channelGreen
Hex per channelR 21 · G FF · B 36

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Every value on this page was computed from “21ff36” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.