#EFFFD1#EFFFD1

#EFFFD1 is a very light, moderate yellow-green. Relative luminance 0.945; OKLCH L 97.7% C 0.062 H 123.1°. Best body text is #000000 at 19.89:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFD1
RGB	rgb(239, 255, 209)
HSL	hsl(81, 100%, 91%)
HSV	hsv(81, 18%, 100%)
CMYK	cmyk(6.3%, 0%, 18%, 0%)
CIE-LAB	lab(97.82, -12.96, 20.26)
CIE-LCH	lch(97.82, 24.05, 122.61°)
OKLab	oklab(97.66% -0.034 0.052)
OKLCH	oklch(97.66% 0.062 123.1)
XYZ	xyz(82.8637, 94.4741, 74.1791)
Luminance	0.9447 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFD1 #E1D1FF

analogous

#FFF8D1 #EFFFD1 #D8FFD1

triadic

#EFFFD1 #D1EFFF #FFD1EF

tetradic

#EFFFD1 #D1FFF8 #E1D1FF #FFD1D8

square

#EFFFD1 #D1FFF8 #E1D1FF #FFD1D8

split-complementary

#EFFFD1 #D1D8FF #F8D1FF

monochromatic

#C4FF57 #DAFF94 #EFFFD1 #F4FFE0 #F4FFE0

Accessibility & contrast

On white

1.06

#EFFFD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.89

#EFFFD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFD1

19.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFD1	#FFFFFF	#000000	##000000
##EFFFD1	1.00	1.06	19.89	19.89
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.89	21.00	1.00	1.00
##000000	19.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF9CE

Deuteranopia (green-blind)

#FFF9D3

Tritanopia (blue-blind)

#F3FAF2

Achromatopsia (no color)

#F9F9F9

Design tokens & code

CSS

--color: #efffd1;
/* rgb */ color: rgb(239, 255, 209);
/* oklch */ color: oklch(97.7% 0.062 123.1);

Tailwind

colors: {
  custom: {
    50: '#f4ffdf',
    500: '#efffd1',
    950: '#000000',
  },
}

SCSS

$custom: #efffd1;
$custom-light: #f4ffdf;
$custom-dark: #000000;

JSON

{
  "hex": "#efffd1",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 209
  },
  "hsl": {
    "h": 80.87,
    "s": 100,
    "l": 90.98
  },
  "oklch": {
    "l": 0.97656,
    "c": 0.06212,
    "h": 123.1
  },
  "luminance": 0.94474
}

Semantic roles & 50–950 ramp

primary

#EFFFD1

secondary

#AB8AEA

accent

#00E650

background

#FFFFFE

surface

#FEFFFC

border

#D6D7D5

text

#171815

muted

#858684

Preview Lab

Preview with #EFFFD1

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

Preview Lab → · Contrast checker → · Palette generator →