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Recognised as Colour

#C9DC33

  • #C9DC33
  • Yellow
  • Light
  • Nearest: Yellow green

#C9DC33 is a yellow with RGB values 201, 220, 51 and HSL 67°, 71%, 53%. It is a light colour, so black text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#C9DC33#C9DC33
HEX#C9DC33
RGBrgb(201, 220, 51)
RGB (0–1)0.7882, 0.8627, 0.2
RGB percentages78.8%, 86.3%, 20%
HSLhsl(66.7, 70.7%, 53.1%)
HSV / HSBhsv(66.7, 76.8%, 86.3%)
CMYK8.6%, 0%, 76.8%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,229,107
CSS custom property--colour: #C9DC33;

Brightness & contrast

Relative luminance0.63843WCAG 2.x, 0 is black and 1 is white
Perceived brightness202 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.77:1
Contrast with white1.53:1WCAG normal text: Fail
Contrast with black13.77:1WCAG normal text: AAA
Greyscale equivalent#CCCCCC
Inverted#3623CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ECD000no red cones; affects about 1% of men; ΔE 21.9 from the original
Deuteranopia#EAD243no green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#D6CFBDno blue cones; rare, and affects men and women equally; ΔE 69.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.53:1WCAG large text: Fail
Contrast with black, large text13.77:1WCAG large text: AAA

Named colours

Yellow green · ΔE 15.9Yellow · ΔE 24.6Gold · ΔE 27.6Green yellow · ΔE 28.6Khaki · ΔE 34.5Goldenrod · ΔE 37.5
Nearest named CSS colourYellow green (#9ACD32)ΔE 15.88, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4633DC
Analogous#DC9B33, #74DC33
Triadic#33C9DC, #DC33C9
Split complementary#3375DC, #9B33DC
Tetradic#33DC9B, #4633DC, #DC3374

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FAE1
Lighter +30%#ECF2B6
Lighter +20%#E0EB8A
Lighter +10%#D5E35F
Darker −10%#AABC20
Darker −20%#839019
Darker −30%#5B6511
Darker −40%#34390A
More saturated +25%#E0FA15
Less saturated −25%#B2BE51

Channel breakdown

R201
G220
B51
Red201 (78.8%)
Green220 (86.3%)
Blue51 (20%)
Hue66.75°
Saturation (HSL)70.71%
Lightness53.14%
Dominant channelGreen
Hex per channelR C9 · G DC · B 33

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Every value on this page was computed from “c9dc33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.