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Recognised as Colour

#91DC21

  • #91DC21
  • Green
  • Light
  • Nearest: Yellow green

#91DC21 is a green with RGB values 145, 220, 33 and HSL 84°, 74%, 50%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#91DC21#91DC21
HEX#91DC21
RGBrgb(145, 220, 33)
RGB (0–1)0.5686, 0.8627, 0.1294
RGB percentages56.9%, 86.3%, 12.9%
HSLhsl(84.1, 73.9%, 49.6%)
HSV / HSBhsv(84.1, 85%, 86.3%)
CMYK34.1%, 0%, 85%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,559,073
CSS custom property--colour: #91DC21;

Brightness & contrast

Relative luminance0.57316WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.46:1
Contrast with white1.68:1WCAG normal text: Fail
Contrast with black12.46:1WCAG normal text: AAA
Greyscale equivalent#BFBFBF
Inverted#6E23DE

Colour vision & accessibility

Protanopia#E6CB00no red cones; affects about 1% of men; ΔE 42.7 from the original
Deuteranopia#DCC53Ano green cones; the most common form, about 1% of men; ΔE 42.4 from the original
Tritanopia#94D2BCno blue cones; rare, and affects men and women equally; ΔE 73.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.68:1WCAG large text: Fail
Contrast with black, large text12.46:1WCAG large text: AAA

Named colours

Nearest named CSS colourYellow green (#9ACD32)ΔE 13.59, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#6C21DC
Analogous#DCCA21, #33DC21
Triadic#2191DC, #DC2191
Split complementary#2134DC, #C921DC
Tetradic#21DCC9, #6C21DC, #DC2134

Tints, shades & saturation

Lighter +40%#E8F8D1
Lighter +30%#D3F1A5
Lighter +20%#BDEB78
Lighter +10%#A7E44C
Darker −10%#74B01A
Darker −20%#578314
Darker −30%#39570D
Darker −40%#1C2B06
More saturated +25%#97FC01
Less saturated −25%#8BBC41

Channel breakdown

R145
G220
B33
Red145 (56.9%)
Green220 (86.3%)
Blue33 (12.9%)
Hue84.06°
Saturation (HSL)73.91%
Lightness49.61%
Dominant channelGreen
Hex per channelR 91 · G DC · B 21

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Every value on this page was computed from “91dc21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.