#EFFACB#EFFACB

#EFFACB is a very light, moderate yellow-green. Relative luminance 0.910; OKLCH L 96.5% C 0.062 H 118.3°. Best body text is #000000 at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#EFFACB
RGB	rgb(239, 250, 203)
HSL	hsl(74, 82%, 89%)
HSV	hsv(74, 19%, 98%)
CMYK	cmyk(4.4%, 0%, 18.8%, 2%)
CIE-LAB	lab(96.42, -11.40, 21.37)
CIE-LCH	lch(96.42, 24.22, 118.08°)
OKLab	oklab(96.51% -0.0294 0.0548)
OKLCH	oklch(96.51% 0.062 118.3)
XYZ	xyz(80.5606, 91.0340, 69.8156)
Luminance	0.9103 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFACB #D6CBFA

analogous

#FAEECB #EFFACB #D8FACB

triadic

#EFFACB #CBEFFA #FACBEF

tetradic

#EFFACB #CBFAEE #D6CBFA #FACBD8

square

#EFFACB #CBFAEE #D6CBFA #FACBD8

split-complementary

#EFFACB #CBD8FA #EECBFA

monochromatic

#CDEF5B #DEF593 #EFFACB #F6FCE3 #F6FCE3

Accessibility & contrast

On white

1.09

#EFFACB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.21

#EFFACB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFACB

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFACB	#FFFFFF	#000000	##000000
##EFFACB	1.00	1.09	19.21	19.21
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.21	21.00	1.00	1.00
##000000	19.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5C8

Deuteranopia (green-blind)

#FFF5CD

Tritanopia (blue-blind)

#F4F5ED

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effacb;
/* rgb */ color: rgb(239, 250, 203);
/* oklch */ color: oklch(96.5% 0.062 118.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#effacb",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 203
  },
  "hsl": {
    "h": 74.043,
    "s": 82.456,
    "l": 88.824
  },
  "oklch": {
    "l": 0.96508,
    "c": 0.06217,
    "h": 118.3
  },
  "luminance": 0.91034
}

Semantic roles & 50–950 ramp

primary

#EFFACB

secondary

#9E8AE0

accent

#07DF39

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171715

muted

#858584

Preview Lab

Preview with #EFFACB

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

Preview Lab → · Contrast checker → · Palette generator →