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Recognised as Colour

#C9E129

  • #C9E129
  • Yellow
  • Light
  • Nearest: Yellow green

#C9E129 is a yellow with RGB values 201, 225, 41 and HSL 68°, 75%, 52%. It is a light colour, so black text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#C9E129#C9E129
HEX#C9E129
RGBrgb(201, 225, 41)
RGB (0–1)0.7882, 0.8824, 0.1608
RGB percentages78.8%, 88.2%, 16.1%
HSLhsl(67.8, 75.4%, 52.2%)
HSV / HSBhsv(67.8, 81.8%, 88.2%)
CMYK10.7%, 0%, 81.8%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,230,377
CSS custom property--colour: #C9E129;

Brightness & contrast

Relative luminance0.66428WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.29:1
Contrast with white1.47:1WCAG normal text: Fail
Contrast with black14.29:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#361ED6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F1D400no red cones; affects about 1% of men; ΔE 23.6 from the original
Deuteranopia#EED63Dno green cones; the most common form, about 1% of men; ΔE 22 from the original
Tritanopia#D6D4C0no blue cones; rare, and affects men and women equally; ΔE 72.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.47:1WCAG large text: Fail
Contrast with black, large text14.29:1WCAG large text: AAA

Named colours

Yellow green · ΔE 17Yellow · ΔE 21.6Green yellow · ΔE 24.8Gold · ΔE 28.5Khaki · ΔE 38.9Lawn green · ΔE 39.8
Nearest named CSS colourYellow green (#9ACD32)ΔE 17.03, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4129E1
Analogous#E19D29, #6DE129
Triadic#29C9E1, #E129C9
Split complementary#296DE1, #9D29E1
Tetradic#29E19D, #4129E1, #E1296D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6FADC
Lighter +30%#EBF4AF
Lighter +20%#E0EE82
Lighter +10%#D4E756
Darker −10%#A7BD1A
Darker −20%#809014
Darker −30%#58630E
Darker −40%#303608
More saturated +25%#DFFF0B
Less saturated −25%#B2C348

Channel breakdown

R201
G225
B41
Red201 (78.8%)
Green225 (88.2%)
Blue41 (16.1%)
Hue67.83°
Saturation (HSL)75.41%
Lightness52.16%
Dominant channelGreen
Hex per channelR C9 · G E1 · B 29

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Every value on this page was computed from “c9e129” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.