#EFFBC8#EFFBC8

#EFFBC8 is a very light, moderate yellow-green. Relative luminance 0.915; OKLCH L 96.6% C 0.067 H 118.4°. Best body text is #000000 at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBC8
RGB	rgb(239, 251, 200)
HSL	hsl(74, 86%, 88%)
HSV	hsv(74, 20%, 98%)
CMYK	cmyk(4.8%, 0%, 20.3%, 1.6%)
CIE-LAB	lab(96.62, -12.34, 23.18)
CIE-LCH	lch(96.62, 26.25, 118.03°)
OKLab	oklab(96.65% -0.032 0.0592)
OKLCH	oklch(96.65% 0.067 118.4)
XYZ	xyz(80.5181, 91.5155, 68.0548)
Luminance	0.9152 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBC8 #D4C8FB

analogous

#FBEDC8 #EFFBC8 #D5FBC8

triadic

#EFFBC8 #C8EFFB #FBC8EF

tetradic

#EFFBC8 #C8FBED #D4C8FB #FBC8D5

square

#EFFBC8 #C8FBED #D4C8FB #FBC8D5

split-complementary

#EFFBC8 #C8D5FB #EDC8FB

monochromatic

#CEF356 #DEF78F #EFFBC8 #F7FDE2 #F7FDE2

Accessibility & contrast

On white

1.09

#EFFBC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.30

#EFFBC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBC8

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBC8	#FFFFFF	#000000	##000000
##EFFBC8	1.00	1.09	19.30	19.30
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.30	21.00	1.00	1.00
##000000	19.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5C5

Deuteranopia (green-blind)

#FFF6CA

Tritanopia (blue-blind)

#F4F5ED

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effbc8;
/* rgb */ color: rgb(239, 251, 200);
/* oklch */ color: oklch(96.6% 0.067 118.4);

Tailwind

colors: {
  custom: {
    50: '#f4fcd9',
    500: '#effbc8',
    950: '#000000',
  },
}

SCSS

$custom: #effbc8;
$custom-light: #f4fcd9;
$custom-dark: #000000;

JSON

{
  "hex": "#effbc8",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 200
  },
  "hsl": {
    "h": 74.118,
    "s": 86.441,
    "l": 88.431
  },
  "oklch": {
    "l": 0.96646,
    "c": 0.06731,
    "h": 118.4
  },
  "luminance": 0.91515
}

Semantic roles & 50–950 ramp

primary

#EFFBC8

secondary

#9B86E1

accent

#03E337

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFFBC8

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

Preview Lab → · Contrast checker → · Palette generator →