#EFFBCB#EFFBCB

#EFFBCB is a very light, moderate yellow-green. Relative luminance 0.917; OKLCH L 96.7% C 0.064 H 119.0°. Best body text is #000000 at 19.33:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBCB
RGB	rgb(239, 251, 203)
HSL	hsl(75, 86%, 89%)
HSV	hsv(75, 19%, 98%)
CMYK	cmyk(4.8%, 0%, 19.1%, 1.6%)
CIE-LAB	lab(96.68, -11.89, 21.73)
CIE-LCH	lch(96.68, 24.77, 118.70°)
OKLab	oklab(96.71% -0.0308 0.0556)
OKLCH	oklch(96.71% 0.064 119)
XYZ	xyz(80.8721, 91.6571, 69.9194)
Luminance	0.9166 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBCB #D7CBFB

analogous

#FBEFCB #EFFBCB #D7FBCB

triadic

#EFFBCB #CBEFFB #FBCBEF

tetradic

#EFFBCB #CBFBEF #D7CBFB #FBCBD7

square

#EFFBCB #CBFBEF #D7CBFB #FBCBD7

split-complementary

#EFFBCB #CBD7FB #EFCBFB

monochromatic

#CCF259 #DEF792 #EFFBCB #F6FDE3 #F6FDE3

Accessibility & contrast

On white

1.09

#EFFBCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.33

#EFFBCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBCB

19.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBCB	#FFFFFF	#000000	##000000
##EFFBCB	1.00	1.09	19.33	19.33
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.33	21.00	1.00	1.00
##000000	19.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5C8

Deuteranopia (green-blind)

#FFF6CD

Tritanopia (blue-blind)

#F4F6EE

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effbcb;
/* rgb */ color: rgb(239, 251, 203);
/* oklch */ color: oklch(96.7% 0.064 119.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#effbcb",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 203
  },
  "hsl": {
    "h": 75,
    "s": 85.714,
    "l": 89.02
  },
  "oklch": {
    "l": 0.96711,
    "c": 0.06361,
    "h": 119
  },
  "luminance": 0.91657
}

Semantic roles & 50–950 ramp

primary

#EFFBCB

secondary

#9F89E1

accent

#03E23B

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171715

muted

#858584

Preview Lab

Preview with #EFFBCB

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

Preview Lab → · Contrast checker → · Palette generator →