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Colour

#EFD963

  • #EFD963
  • Yellow
  • Light
  • Nearest: Khaki

#EFD963 is a yellow with RGB values 239, 217, 99 and HSL 51°, 81%, 66%. It is a light colour, so black text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#EFD963#EFD963
HEX#EFD963
RGBrgb(239, 217, 99)
RGB (0–1)0.9373, 0.851, 0.3882
RGB percentages93.7%, 85.1%, 38.8%
HSLhsl(50.6, 81.4%, 66.3%)
HSV / HSBhsv(50.6, 58.6%, 93.7%)
CMYK0%, 9.2%, 58.6%, 6.3%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,718,755
CSS custom property--colour: #EFD963;

Brightness & contrast

Relative luminance0.68877WCAG 2.x, 0 is black and 1 is white
Perceived brightness214.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.78:1
Contrast with white1.42:1WCAG normal text: Fail
Contrast with black14.78:1WCAG normal text: AAA
Greyscale equivalent#D5D5D5
Inverted#10269C

Colour vision & accessibility

Protanopia#ECD457no red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#F2DC69no green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#FFCBBFno blue cones; rare, and affects men and women equally; ΔE 52 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.42:1WCAG large text: Fail
Contrast with black, large text14.78:1WCAG large text: AAA

Named colours

Nearest named CSS colourKhaki (#F0E68C)ΔE 15.38, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#6379EF
Analogous#EF9363, #BFEF63
Triadic#63EFD9, #D963EF
Split complementary#63BFEF, #9363EF
Tetradic#63EF93, #6379EF, #EF63BF

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FDFBEE
Lighter +20%#F8F0C0
Lighter +10%#F4E491
Darker −10%#EACE35
Darker −20%#D6B816
Darker −30%#A89011
Darker −40%#7A680C
More saturated +25%#FFE453
Less saturated −25%#D9CA78

Channel breakdown

R239
G217
B99
Red239 (93.7%)
Green217 (85.1%)
Blue99 (38.8%)
Hue50.57°
Saturation (HSL)81.4%
Lightness66.27%
Dominant channelRed
Hex per channelR EF · G D9 · B 63

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Every value on this page was computed from “efd963” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.