#EFFF7D#EFFF7D

#EFFF7D is a very light, vivid yellow. Relative luminance 0.914; OKLCH L 96.2% C 0.155 H 115.2°. Best body text is #000000 at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF7D
RGB	rgb(239, 255, 125)
HSL	hsl(67, 100%, 75%)
HSV	hsv(67, 51%, 100%)
CMYK	cmyk(6.3%, 0%, 51%, 0%)
CIE-LAB	lab(96.56, -22.99, 59.61)
CIE-LCH	lch(96.56, 63.89, 111.09°)
OKLab	oklab(96.23% -0.066 0.1405)
OKLCH	oklch(96.23% 0.155 115.2)
XYZ	xyz(75.0595, 91.3524, 33.0767)
Luminance	0.9135 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF7D #8D7DFF

analogous

#FFCE7D #EFFF7D #AEFF7D

triadic

#EFFF7D #7DEFFF #FF7DEF

tetradic

#EFFF7D #7DFFCE #8D7DFF #FF7DAE

square

#EFFF7D #7DFFCE #8D7DFF #FF7DAE

split-complementary

#EFFF7D #7DAEFF #CE7DFF

monochromatic

#E0FF03 #E7FF40 #EFFF7D #F7FFBA #FBFFE0

Accessibility & contrast

On white

1.09

#EFFF7D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.27

#EFFF7D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF7D

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF7D	#FFFFFF	#000000	##000000
##EFFF7D	1.00	1.09	19.27	19.27
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.27	21.00	1.00	1.00
##000000	19.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF471

Deuteranopia (green-blind)

#FFF684

Tritanopia (blue-blind)

#FCF3E2

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #efff7d;
/* rgb */ color: rgb(239, 255, 125);
/* oklch */ color: oklch(96.2% 0.155 115.2);

Tailwind

colors: {
  custom: {
    50: '#f6ffa6',
    500: '#efff7d',
    950: '#000000',
  },
}

SCSS

$custom: #efff7d;
$custom-light: #f6ffa6;
$custom-dark: #000000;

JSON

{
  "hex": "#efff7d",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 125
  },
  "hsl": {
    "h": 67.385,
    "s": 100,
    "l": 74.51
  },
  "oklch": {
    "l": 0.96232,
    "c": 0.15521,
    "h": 115.2
  },
  "luminance": 0.91351
}

Semantic roles & 50–950 ramp

primary

#EFFF7D

secondary

#5642DE

accent

#00E61C

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #EFFF7D

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

Preview Lab → · Contrast checker → · Palette generator →