#EFF8CB#EFF8CB

#EFF8CB is a very light, muted yellow-green. Relative luminance 0.898; OKLCH L 96.1% C 0.059 H 116.7°. Best body text is #000000 at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#EFF8CB
RGB	rgb(239, 248, 203)
HSL	hsl(72, 76%, 88%)
HSV	hsv(72, 18%, 97%)
CMYK	cmyk(3.6%, 0%, 18.1%, 2.7%)
CIE-LAB	lab(95.91, -10.41, 20.66)
CIE-LCH	lch(95.91, 23.14, 116.74°)
OKLab	oklab(96.1% -0.0267 0.053)
OKLCH	oklch(96.1% 0.059 116.7)
XYZ	xyz(79.9424, 89.7976, 69.6095)
Luminance	0.8980 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF8CB #D4CBF8

analogous

#F8EACB #EFF8CB #D8F8CB

triadic

#EFF8CB #CBEFF8 #F8CBEF

tetradic

#EFF8CB #CBF8EA #D4CBF8 #F8CBD8

square

#EFF8CB #CBF8EA #D4CBF8 #F8CBD8

split-complementary

#EFF8CB #CBD8F8 #EACBF8

monochromatic

#CEE95F #DEF195 #EFF8CB #F7FBE4 #F7FBE4

Accessibility & contrast

On white

1.11

#EFF8CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.96

#EFF8CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF8CB

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF8CB	#FFFFFF	#000000	##000000
##EFF8CB	1.00	1.11	18.96	18.96
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.96	21.00	1.00	1.00
##000000	18.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF3C8

Deuteranopia (green-blind)

#FEF4CD

Tritanopia (blue-blind)

#F4F3EB

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #eff8cb;
/* rgb */ color: rgb(239, 248, 203);
/* oklch */ color: oklch(96.1% 0.059 116.7);

Tailwind

colors: {
  custom: {
    50: '#f4fadb',
    500: '#eff8cb',
    950: '#000000',
  },
}

SCSS

$custom: #eff8cb;
$custom-light: #f4fadb;
$custom-dark: #000000;

JSON

{
  "hex": "#eff8cb",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 203
  },
  "hsl": {
    "h": 72,
    "s": 76.271,
    "l": 88.431
  },
  "oklch": {
    "l": 0.96103,
    "c": 0.05931,
    "h": 116.7
  },
  "luminance": 0.89797
}

Semantic roles & 50–950 ramp

primary

#EFF8CB

secondary

#9B8BDC

accent

#0DD836

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171715

muted

#858584

Preview Lab

Preview with #EFF8CB

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

Preview Lab → · Contrast checker → · Palette generator →