#EFFBB8#EFFBB8

#EFFBB8 is a very light, moderate yellow-green. Relative luminance 0.908; OKLCH L 96.3% C 0.087 H 116.3°. Best body text is #000000 at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBB8
RGB	rgb(239, 251, 184)
HSL	hsl(71, 89%, 85%)
HSV	hsv(71, 27%, 98%)
CMYK	cmyk(4.8%, 0%, 26.7%, 1.6%)
CIE-LAB	lab(96.33, -14.58, 30.88)
CIE-LCH	lch(96.33, 34.15, 115.27°)
OKLab	oklab(96.32% -0.0384 0.0777)
OKLCH	oklch(96.32% 0.087 116.3)
XYZ	xyz(78.7451, 90.8063, 58.7171)
Luminance	0.9081 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBB8 #C4B8FB

analogous

#FBE5B8 #EFFBB8 #CDFBB8

triadic

#EFFBB8 #B8EFFB #FBB8EF

tetradic

#EFFBB8 #B8FBE5 #C4B8FB #FBB8CD

square

#EFFBB8 #B8FBE5 #C4B8FB #FBB8CD

split-complementary

#EFFBB8 #B8CDFB #E5B8FB

monochromatic

#D5F444 #E2F87E #EFFBB8 #F8FDE2 #F8FDE2

Accessibility & contrast

On white

1.10

#EFFBB8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.16

#EFFBB8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBB8

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBB8	#FFFFFF	#000000	##000000
##EFFBB8	1.00	1.10	19.16	19.16
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.16	21.00	1.00	1.00
##000000	19.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4B4

Deuteranopia (green-blind)

#FFF5BB

Tritanopia (blue-blind)

#F6F4E9

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effbb8;
/* rgb */ color: rgb(239, 251, 184);
/* oklch */ color: oklch(96.3% 0.087 116.3);

Tailwind

colors: {
  custom: {
    50: '#f4fccd',
    500: '#effbb8',
    950: '#000000',
  },
}

SCSS

$custom: #effbb8;
$custom-light: #f4fccd;
$custom-dark: #000000;

JSON

{
  "hex": "#effbb8",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 184
  },
  "hsl": {
    "h": 70.746,
    "s": 89.333,
    "l": 85.294
  },
  "oklch": {
    "l": 0.96318,
    "c": 0.08672,
    "h": 116.3
  },
  "luminance": 0.90806
}

Semantic roles & 50–950 ramp

primary

#EFFBB8

secondary

#8A77E0

accent

#00E629

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171713

muted

#858583

Preview Lab

Preview with #EFFBB8

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

Preview Lab → · Contrast checker → · Palette generator →