#EFF9CC#EFF9CC

#EFF9CC is a very light, muted yellow-green. Relative luminance 0.905; OKLCH L 96.3% C 0.059 H 117.7°. Best body text is #000000 at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#EFF9CC
RGB	rgb(239, 249, 204)
HSL	hsl(73, 79%, 89%)
HSV	hsv(73, 18%, 98%)
CMYK	cmyk(4%, 0%, 18.1%, 2.4%)
CIE-LAB	lab(96.19, -10.76, 20.53)
CIE-LCH	lch(96.19, 23.18, 117.65°)
OKLab	oklab(96.33% -0.0277 0.0527)
OKLCH	oklch(96.33% 0.059 117.7)
XYZ	xyz(80.3702, 90.4620, 70.3419)
Luminance	0.9046 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF9CC #D6CCF9

analogous

#F9EDCC #EFF9CC #D9F9CC

triadic

#EFF9CC #CCEFF9 #F9CCEF

tetradic

#EFF9CC #CCF9ED #D6CCF9 #F9CCD9

square

#EFF9CC #CCF9ED #D6CCF9 #F9CCD9

split-complementary

#EFF9CC #CCD9F9 #EDCCF9

monochromatic

#CDEC5E #DEF395 #EFF9CC #F6FCE4 #F6FCE4

Accessibility & contrast

On white

1.10

#EFF9CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.09

#EFF9CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF9CC

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF9CC	#FFFFFF	#000000	##000000
##EFF9CC	1.00	1.10	19.09	19.09
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.09	21.00	1.00	1.00
##000000	19.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4C9

Deuteranopia (green-blind)

#FEF4CE

Tritanopia (blue-blind)

#F4F4EC

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #eff9cc;
/* rgb */ color: rgb(239, 249, 204);
/* oklch */ color: oklch(96.3% 0.059 117.7);

Tailwind

colors: {
  custom: {
    50: '#f4fbdb',
    500: '#eff9cc',
    950: '#000000',
  },
}

SCSS

$custom: #eff9cc;
$custom-light: #f4fbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#eff9cc",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 204
  },
  "hsl": {
    "h": 73.333,
    "s": 78.947,
    "l": 88.824
  },
  "oklch": {
    "l": 0.96327,
    "c": 0.05949,
    "h": 117.7
  },
  "luminance": 0.90462
}

Semantic roles & 50–950 ramp

primary

#EFF9CC

secondary

#9E8BDE

accent

#0ADB39

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171715

muted

#858584

Preview Lab

Preview with #EFF9CC

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

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