#EFD963#EFD963

#EFD963 is a very light, vivid yellow. Relative luminance 0.689; OKLCH L 88.1% C 0.139 H 98.8°. Best body text is #000000 at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#EFD963
RGB	rgb(239, 217, 99)
HSL	hsl(51, 81%, 66%)
HSV	hsv(51, 59%, 94%)
CMYK	cmyk(0%, 9.2%, 58.6%, 6.3%)
CIE-LAB	lab(86.44, -6.40, 59.63)
CIE-LCH	lch(86.44, 59.97, 96.12°)
OKLab	oklab(88.1% -0.0214 0.1378)
OKLCH	oklch(88.1% 0.139 98.8)
XYZ	xyz(62.6640, 68.8799, 21.7963)
Luminance	0.6888 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD963 #6379EF

analogous

#EF9363 #EFD963 #BFEF63

triadic

#EFD963 #63EFD9 #D963EF

tetradic

#EFD963 #63EF93 #6379EF #EF63BF

square

#EFD963 #63EF93 #6379EF #EF63BF

split-complementary

#EFD963 #63BFEF #9363EF

monochromatic

#C4A814 #E9CB2B #EFD963 #F5E79B #FAF4D2

Accessibility & contrast

On white

1.42

#EFD963 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.78

#EFD963 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD963

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD963	#FFFFFF	#000000	##000000
##EFD963	1.00	1.42	14.78	14.78
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.78	21.00	1.00	1.00
##000000	14.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD457

Deuteranopia (green-blind)

#F2DC69

Tritanopia (blue-blind)

#FFCBBF

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #efd963;
/* rgb */ color: rgb(239, 217, 99);
/* oklch */ color: oklch(88.1% 0.139 98.8);

Tailwind

colors: {
  custom: {
    50: '#f7e493',
    500: '#efd963',
    950: '#000000',
  },
}

SCSS

$custom: #efd963;
$custom-light: #f7e493;
$custom-dark: #000000;

JSON

{
  "hex": "#efd963",
  "rgb": {
    "r": 239,
    "g": 217,
    "b": 99
  },
  "hsl": {
    "h": 50.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.88097,
    "c": 0.13945,
    "h": 98.8
  },
  "luminance": 0.68877
}

Semantic roles & 50–950 ramp

primary

#EFD963

secondary

#354BC1

accent

#29DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFD963

Body copy rendered with the generated semantic roles for this colour.

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