#EFFBB4#EFFBB4

#EFFBB4 is a very light, moderate yellow-green. Relative luminance 0.906; OKLCH L 96.2% C 0.091 H 115.9°. Best body text is #000000 at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBB4
RGB	rgb(239, 251, 180)
HSL	hsl(70, 90%, 85%)
HSV	hsv(70, 28%, 98%)
CMYK	cmyk(4.8%, 0%, 28.3%, 1.6%)
CIE-LAB	lab(96.26, -15.11, 32.80)
CIE-LCH	lch(96.26, 36.11, 114.73°)
OKLab	oklab(96.24% -0.04 0.0823)
OKLCH	oklch(96.24% 0.091 115.9)
XYZ	xyz(78.3317, 90.6409, 56.5400)
Luminance	0.9064 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBB4 #C0B4FB

analogous

#FBE4B4 #EFFBB4 #CCFBB4

triadic

#EFFBB4 #B4EFFB #FBB4EF

tetradic

#EFFBB4 #B4FBE4 #C0B4FB #FBB4CC

square

#EFFBB4 #B4FBE4 #C0B4FB #FBB4CC

split-complementary

#EFFBB4 #B4CCFB #E4B4FB

monochromatic

#D6F540 #E3F87A #EFFBB4 #F9FDE2 #F9FDE2

Accessibility & contrast

On white

1.10

#EFFBB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.13

#EFFBB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBB4

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBB4	#FFFFFF	#000000	##000000
##EFFBB4	1.00	1.10	19.13	19.13
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.13	21.00	1.00	1.00
##000000	19.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4AF

Deuteranopia (green-blind)

#FFF5B7

Tritanopia (blue-blind)

#F7F3E8

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effbb4;
/* rgb */ color: rgb(239, 251, 180);
/* oklch */ color: oklch(96.2% 0.091 115.9);

Tailwind

colors: {
  custom: {
    50: '#f5fccb',
    500: '#effbb4',
    950: '#000000',
  },
}

SCSS

$custom: #effbb4;
$custom-light: #f5fccb;
$custom-dark: #000000;

JSON

{
  "hex": "#effbb4",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 180
  },
  "hsl": {
    "h": 70.141,
    "s": 89.873,
    "l": 84.51
  },
  "oklch": {
    "l": 0.96242,
    "c": 0.09148,
    "h": 115.9
  },
  "luminance": 0.9064
}

Semantic roles & 50–950 ramp

primary

#EFFBB4

secondary

#8674DF

accent

#00E627

background

#FFFFFE

surface

#FEFFFA

border

#D6D7D3

text

#171713

muted

#858583

Preview Lab

Preview with #EFFBB4

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

Preview Lab → · Contrast checker → · Palette generator →