#EFFD5D#EFFD5D

#EFFD5D is a very light, vivid yellow. Relative luminance 0.894; OKLCH L 95.5% C 0.179 H 114.1°. Best body text is #000000 at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD5D
RGB	rgb(239, 253, 93)
HSL	hsl(65, 98%, 68%)
HSV	hsv(65, 63%, 99%)
CMYK	cmyk(5.5%, 0%, 63.2%, 0.8%)
CIE-LAB	lab(95.74, -24.39, 72.22)
CIE-LCH	lch(95.74, 76.23, 108.66°)
OKLab	oklab(95.49% -0.0731 0.1637)
OKLCH	oklch(95.49% 0.179 114.1)
XYZ	xyz(72.6995, 89.3929, 23.7787)
Luminance	0.8939 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD5D #6B5DFD

analogous

#FDBB5D #EFFD5D #9FFD5D

triadic

#EFFD5D #5DEFFD #FD5DEF

tetradic

#EFFD5D #5DFDBB #6B5DFD #FD5D9F

square

#EFFD5D #5DFDBB #6B5DFD #FD5D9F

split-complementary

#EFFD5D #5D9FFD #BB5DFD

monochromatic

#CADD03 #E9FC21 #EFFD5D #F5FE99 #FBFED6

Accessibility & contrast

On white

1.11

#EFFD5D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.88

#EFFD5D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD5D

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD5D	#FFFFFF	#000000	##000000
##EFFD5D	1.00	1.11	18.88	18.88
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.88	21.00	1.00	1.00
##000000	18.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF148

Deuteranopia (green-blind)

#FFF468

Tritanopia (blue-blind)

#FEEFDC

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd5d;
/* rgb */ color: rgb(239, 253, 93);
/* oklch */ color: oklch(95.5% 0.179 114.1);

Tailwind

colors: {
  custom: {
    50: '#f7fd92',
    500: '#effd5d',
    950: '#000000',
  },
}

SCSS

$custom: #effd5d;
$custom-light: #f7fd92;
$custom-dark: #000000;

JSON

{
  "hex": "#effd5d",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 93
  },
  "hsl": {
    "h": 65.25,
    "s": 97.561,
    "l": 67.843
  },
  "oklch": {
    "l": 0.95491,
    "c": 0.1793,
    "h": 114.1
  },
  "luminance": 0.89392
}

Semantic roles & 50–950 ramp

primary

#EFFD5D

secondary

#3728D6

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFFD5D

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

Preview Lab → · Contrast checker → · Palette generator →