#EFFDB1#EFFDB1

#EFFDB1 is a very light, moderate yellow-green. Relative luminance 0.918; OKLCH L 96.6% C 0.098 H 116.8°. Best body text is #000000 at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#EFFDB1
RGB	rgb(239, 253, 177)
HSL	hsl(71, 95%, 84%)
HSV	hsv(71, 30%, 99%)
CMYK	cmyk(5.5%, 0%, 30%, 0.8%)
CIE-LAB	lab(96.73, -16.47, 34.93)
CIE-LCH	lch(96.73, 38.62, 115.25°)
OKLab	oklab(96.6% -0.044 0.0872)
OKLCH	oklch(96.6% 0.098 116.8)
XYZ	xyz(78.6575, 91.7761, 55.1573)
Luminance	0.9178 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFDB1 #BFB1FD

analogous

#FDE5B1 #EFFDB1 #C9FDB1

triadic

#EFFDB1 #B1EFFD #FDB1EF

tetradic

#EFFDB1 #B1FDE5 #BFB1FD #FDB1C9

square

#EFFDB1 #B1FDE5 #BFB1FD #FDB1C9

split-complementary

#EFFDB1 #B1C9FD #E5B1FD

monochromatic

#D7FA3A #E3FB75 #EFFDB1 #F9FEE1 #F9FEE1

Accessibility & contrast

On white

1.08

#EFFDB1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.36

#EFFDB1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFDB1

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFDB1	#FFFFFF	#000000	##000000
##EFFDB1	1.00	1.08	19.36	19.36
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.36	21.00	1.00	1.00
##000000	19.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5AC

Deuteranopia (green-blind)

#FFF6B4

Tritanopia (blue-blind)

#F7F5E9

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #effdb1;
/* rgb */ color: rgb(239, 253, 177);
/* oklch */ color: oklch(96.6% 0.098 116.8);

Tailwind

colors: {
  custom: {
    50: '#f5fec9',
    500: '#effdb1',
    950: '#000000',
  },
}

SCSS

$custom: #effdb1;
$custom-light: #f5fec9;
$custom-dark: #000000;

JSON

{
  "hex": "#effdb1",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 177
  },
  "hsl": {
    "h": 71.053,
    "s": 95,
    "l": 84.314
  },
  "oklch": {
    "l": 0.96597,
    "c": 0.09771,
    "h": 116.8
  },
  "luminance": 0.91776
}

Semantic roles & 50–950 ramp

primary

#EFFDB1

secondary

#8570E2

accent

#00E62A

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFFDB1

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

Preview Lab → · Contrast checker → · Palette generator →