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Recognised as Colour

#C8DA21

  • #C8DA21
  • Yellow
  • Light
  • Nearest: Yellow green

#C8DA21 is a yellow with RGB values 200, 218, 33 and HSL 66°, 74%, 49%. It is a light colour, so black text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#C8DA21#C8DA21
HEX#C8DA21
RGBrgb(200, 218, 33)
RGB (0–1)0.7843, 0.8549, 0.1294
RGB percentages78.4%, 85.5%, 12.9%
HSLhsl(65.8, 73.7%, 49.2%)
HSV / HSBhsv(65.8, 84.9%, 85.5%)
CMYK8.3%, 0%, 84.9%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,163,041
CSS custom property--colour: #C8DA21;

Brightness & contrast

Relative luminance0.62532WCAG 2.x, 0 is black and 1 is white
Perceived brightness200 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.51:1
Contrast with white1.55:1WCAG normal text: Fail
Contrast with black13.51:1WCAG normal text: AAA
Greyscale equivalent#C9C9C9
Inverted#3725DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EACE00no red cones; affects about 1% of men; ΔE 20.5 from the original
Deuteranopia#E9D037no green cones; the most common form, about 1% of men; ΔE 20.1 from the original
Tritanopia#D5CDBAno blue cones; rare, and affects men and women equally; ΔE 72.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.55:1WCAG large text: Fail
Contrast with black, large text13.51:1WCAG large text: AAA

Named colours

Yellow green · ΔE 17.8Yellow · ΔE 22Gold · ΔE 26.2Green yellow · ΔE 28Khaki · ΔE 38Goldenrod · ΔE 38
Nearest named CSS colourYellow green (#9ACD32)ΔE 17.78, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3321DA
Analogous#DA8F21, #6CDA21
Triadic#21C8DA, #DA21C8
Split complementary#216CDA, #8F21DA
Tetradic#21DA8F, #3321DA, #DA216C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F8CF
Lighter +30%#E9F1A3
Lighter +20%#DFEA77
Lighter +10%#D5E44A
Darker −10%#9FAE1A
Darker −20%#778114
Darker −30%#4E550D
Darker −40%#252906
More saturated +25%#E1F902
Less saturated −25%#AFBB40

Channel breakdown

R200
G218
B33
Red200 (78.4%)
Green218 (85.5%)
Blue33 (12.9%)
Hue65.84°
Saturation (HSL)73.71%
Lightness49.22%
Dominant channelGreen
Hex per channelR C8 · G DA · B 21

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Every value on this page was computed from “c8da21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.