#EFD866#EFD866

#EFD866 is a very light, vivid yellow. Relative luminance 0.684; OKLCH L 87.9% C 0.136 H 98.0°. Best body text is #000000 at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#EFD866
RGB	rgb(239, 216, 102)
HSL	hsl(50, 81%, 67%)
HSV	hsv(50, 57%, 94%)
CMYK	cmyk(0%, 9.6%, 57.3%, 6.3%)
CIE-LAB	lab(86.22, -5.68, 58.03)
CIE-LCH	lch(86.22, 58.31, 95.59°)
OKLab	oklab(87.93% -0.019 0.1347)
OKLCH	oklch(87.93% 0.136 98)
XYZ	xyz(62.5531, 68.4244, 22.4801)
Luminance	0.6842 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD866 #667DEF

analogous

#EF9466 #EFD866 #C2EF66

triadic

#EFD866 #66EFD8 #D866EF

tetradic

#EFD866 #66EF94 #667DEF #EF66C2

square

#EFD866 #66EF94 #667DEF #EF66C2

split-complementary

#EFD866 #66C2EF #9466EF

monochromatic

#C6A815 #E9CA2F #EFD866 #F5E69D #FBF4D5

Accessibility & contrast

On white

1.43

#EFD866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.68

#EFD866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD866

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD866	#FFFFFF	#000000	##000000
##EFD866	1.00	1.43	14.68	14.68
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.68	21.00	1.00	1.00
##000000	14.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD35A

Deuteranopia (green-blind)

#F1DB6B

Tritanopia (blue-blind)

#FFCABF

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #efd866;
/* rgb */ color: rgb(239, 216, 102);
/* oklch */ color: oklch(87.9% 0.136 98.0);

Tailwind

colors: {
  custom: {
    50: '#f7e395',
    500: '#efd866',
    950: '#000000',
  },
}

SCSS

$custom: #efd866;
$custom-light: #f7e395;
$custom-dark: #000000;

JSON

{
  "hex": "#efd866",
  "rgb": {
    "r": 239,
    "g": 216,
    "b": 102
  },
  "hsl": {
    "h": 49.927,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87927,
    "c": 0.13606,
    "h": 98
  },
  "luminance": 0.68422
}

Semantic roles & 50–950 ramp

primary

#EFD866

secondary

#364EC3

accent

#2CDD08

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFD866

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

Preview Lab → · Contrast checker → · Palette generator →