#EFFBC4#EFFBC4

#EFFBC4 is a very light, moderate yellow-green. Relative luminance 0.913; OKLCH L 96.6% C 0.072 H 117.8°. Best body text is #000000 at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBC4
RGB	rgb(239, 251, 196)
HSL	hsl(73, 87%, 88%)
HSV	hsv(73, 22%, 98%)
CMYK	cmyk(4.8%, 0%, 21.9%, 1.6%)
CIE-LAB	lab(96.55, -12.92, 25.10)
CIE-LCH	lch(96.55, 28.23, 117.22°)
OKLab	oklab(96.56% -0.0336 0.0639)
OKLCH	oklch(96.56% 0.072 117.8)
XYZ	xyz(80.0567, 91.3309, 65.6250)
Luminance	0.9133 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBC4 #D0C4FB

analogous

#FBECC4 #EFFBC4 #D3FBC4

triadic

#EFFBC4 #C4EFFB #FBC4EF

tetradic

#EFFBC4 #C4FBEC #D0C4FB #FBC4D3

square

#EFFBC4 #C4FBEC #D0C4FB #FBC4D3

split-complementary

#EFFBC4 #C4D3FB #ECC4FB

monochromatic

#D0F351 #DFF78B #EFFBC4 #F7FDE2 #F7FDE2

Accessibility & contrast

On white

1.09

#EFFBC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.27

#EFFBC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBC4

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBC4	#FFFFFF	#000000	##000000
##EFFBC4	1.00	1.09	19.27	19.27
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.27	21.00	1.00	1.00
##000000	19.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5C1

Deuteranopia (green-blind)

#FFF5C6

Tritanopia (blue-blind)

#F5F5EC

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effbc4;
/* rgb */ color: rgb(239, 251, 196);
/* oklch */ color: oklch(96.6% 0.072 117.8);

Tailwind

colors: {
  custom: {
    50: '#f4fcd6',
    500: '#effbc4',
    950: '#000000',
  },
}

SCSS

$custom: #effbc4;
$custom-light: #f4fcd6;
$custom-dark: #000000;

JSON

{
  "hex": "#effbc4",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 196
  },
  "hsl": {
    "h": 73.091,
    "s": 87.302,
    "l": 87.647
  },
  "oklch": {
    "l": 0.96561,
    "c": 0.07221,
    "h": 117.8
  },
  "luminance": 0.91331
}

Semantic roles & 50–950 ramp

primary

#EFFBC4

secondary

#9782E1

accent

#02E433

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFFBC4

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

Preview Lab → · Contrast checker → · Palette generator →