#EFFD8F#EFFD8F

#EFFD8F is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 96.0% C 0.135 H 114.9°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD8F
RGB	rgb(239, 253, 143)
HSL	hsl(68, 96%, 78%)
HSV	hsv(68, 43%, 99%)
CMYK	cmyk(5.5%, 0%, 43.5%, 0.8%)
CIE-LAB	lab(96.24, -20.36, 50.90)
CIE-LCH	lch(96.24, 54.82, 111.80°)
OKLab	oklab(96.05% -0.057 0.1226)
OKLCH	oklch(96.05% 0.135 114.9)
XYZ	xyz(75.6806, 90.5854, 39.4792)
Luminance	0.9058 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD8F #9D8FFD

analogous

#FDD48F #EFFD8F #B8FD8F

triadic

#EFFD8F #8FEFFD #FD8FEF

tetradic

#EFFD8F #8FFDD4 #9D8FFD #FD8FB8

square

#EFFD8F #8FFDD4 #9D8FFD #FD8FB8

split-complementary

#EFFD8F #8FB8FD #D48FFD

monochromatic

#DEFB17 #E6FC53 #EFFD8F #F8FECB #FBFEE1

Accessibility & contrast

On white

1.10

#EFFD8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#EFFD8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD8F

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD8F	#FFFFFF	#000000	##000000
##EFFD8F	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF386

Deuteranopia (green-blind)

#FFF594

Tritanopia (blue-blind)

#FAF2E3

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effd8f;
/* rgb */ color: rgb(239, 253, 143);
/* oklch */ color: oklch(96.0% 0.135 114.9);

Tailwind

colors: {
  custom: {
    50: '#f6feb1',
    500: '#effd8f',
    950: '#000000',
  },
}

SCSS

$custom: #effd8f;
$custom-light: #f6feb1;
$custom-dark: #000000;

JSON

{
  "hex": "#effd8f",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 143
  },
  "hsl": {
    "h": 67.636,
    "s": 96.491,
    "l": 77.647
  },
  "oklch": {
    "l": 0.96047,
    "c": 0.13522,
    "h": 114.9
  },
  "luminance": 0.90584
}

Semantic roles & 50–950 ramp

primary

#EFFD8F

secondary

#6453DE

accent

#00E61D

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFFD8F

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

Preview Lab → · Contrast checker → · Palette generator →