#EFFACC#EFFACC

#EFFACC is a very light, moderate yellow-green. Relative luminance 0.911; OKLCH L 96.5% C 0.061 H 118.5°. Best body text is #000000 at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#EFFACC
RGB	rgb(239, 250, 204)
HSL	hsl(74, 82%, 89%)
HSV	hsv(74, 18%, 98%)
CMYK	cmyk(4.4%, 0%, 18.4%, 2%)
CIE-LAB	lab(96.44, -11.25, 20.89)
CIE-LCH	lch(96.44, 23.73, 118.31°)
OKLab	oklab(96.53% -0.029 0.0536)
OKLCH	oklch(96.53% 0.061 118.5)
XYZ	xyz(80.6801, 91.0818, 70.4452)
Luminance	0.9108 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFACC #D7CCFA

analogous

#FAEECC #EFFACC #D8FACC

triadic

#EFFACC #CCEFFA #FACCEF

tetradic

#EFFACC #CCFAEE #D7CCFA #FACCD8

square

#EFFACC #CCFAEE #D7CCFA #FACCD8

split-complementary

#EFFACC #CCD8FA #EECCFA

monochromatic

#CCEF5D #DEF594 #EFFACC #F6FCE3 #F6FCE3

Accessibility & contrast

On white

1.09

#EFFACC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.22

#EFFACC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFACC

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFACC	#FFFFFF	#000000	##000000
##EFFACC	1.00	1.09	19.22	19.22
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.22	21.00	1.00	1.00
##000000	19.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5C9

Deuteranopia (green-blind)

#FFF5CE

Tritanopia (blue-blind)

#F4F5ED

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effacc;
/* rgb */ color: rgb(239, 250, 204);
/* oklch */ color: oklch(96.5% 0.061 118.5);

Tailwind

colors: {
  custom: {
    50: '#f4fcdb',
    500: '#effacc',
    950: '#000000',
  },
}

SCSS

$custom: #effacc;
$custom-light: #f4fcdb;
$custom-dark: #000000;

JSON

{
  "hex": "#effacc",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 204
  },
  "hsl": {
    "h": 74.348,
    "s": 82.143,
    "l": 89.02
  },
  "oklch": {
    "l": 0.9653,
    "c": 0.06092,
    "h": 118.5
  },
  "luminance": 0.91082
}

Semantic roles & 50–950 ramp

primary

#EFFACC

secondary

#9F8BE0

accent

#07DF3B

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171715

muted

#858584

Preview Lab

Preview with #EFFACC

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

Preview Lab → · Contrast checker → · Palette generator →