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Colour

#C9FF1D

  • #C9FF1D
  • Green
  • Light
  • Nearest: Green yellow

#C9FF1D is a green with RGB values 201, 255, 29 and HSL 74°, 100%, 56%. It is a light colour, so black text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#C9FF1D#C9FF1D
HEX#C9FF1D
RGBrgb(201, 255, 29)
RGB (0–1)0.7882, 1, 0.1137
RGB percentages78.8%, 100%, 11.4%
HSLhsl(74.3, 100%, 55.7%)
HSV / HSBhsv(74.3, 88.6%, 100%)
CMYK21.2%, 0%, 88.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,238,045
CSS custom property--colour: #C9FF1D;

Brightness & contrast

Relative luminance0.84026WCAG 2.x, 0 is black and 1 is white
Perceived brightness224.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.81:1
Contrast with white1.18:1WCAG normal text: Fail
Contrast with black17.81:1WCAG normal text: AAA
Greyscale equivalent#E3E3E3
Inverted#3600E2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEE00no red cones; affects about 1% of men; ΔE 29.6 from the original
Deuteranopia#FFEC3Eno green cones; the most common form, about 1% of men; ΔE 32.3 from the original
Tritanopia#D3F2DAno blue cones; rare, and affects men and women equally; ΔE 83.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.18:1WCAG large text: Fail
Contrast with black, large text17.81:1WCAG large text: AAA

Named colours

Green yellow · ΔE 11.2Yellow · ΔE 22.7Chartreuse · ΔE 25.6Lawn green · ΔE 25.6Yellow green · ΔE 27.1Limegreen · ΔE 41.2
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 11.25, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#531DFF
Analogous#FFC41D, #58FF1D
Triadic#1DC9FF, #FF1DC9
Split complementary#1D58FF, #C41DFF
Tetradic#1DFFC4, #531DFF, #FF1D58

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFFE9
Lighter +30%#EEFFB6
Lighter +20%#E1FF83
Lighter +10%#D5FF50
Darker −10%#B1E900
Darker −20%#8BB600
Darker −30%#648300
Darker −40%#3D5000
More saturated +25%#C9FF1D
Less saturated −25%#BAE339

Channel breakdown

R201
G255
B29
Red201 (78.8%)
Green255 (100%)
Blue29 (11.4%)
Hue74.34°
Saturation (HSL)100%
Lightness55.69%
Dominant channelGreen
Hex per channelR C9 · G FF · B 1D

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Every value on this page was computed from “c9ff1d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.