#EFFBB9#EFFBB9

#EFFBB9 is a very light, moderate yellow-green. Relative luminance 0.908; OKLCH L 96.3% C 0.086 H 116.4°. Best body text is #000000 at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBB9
RGB	rgb(239, 251, 185)
HSL	hsl(71, 89%, 85%)
HSV	hsv(71, 26%, 98%)
CMYK	cmyk(4.8%, 0%, 26.3%, 1.6%)
CIE-LAB	lab(96.35, -14.44, 30.40)
CIE-LCH	lch(96.35, 33.66, 115.41°)
OKLab	oklab(96.34% -0.038 0.0766)
OKLCH	oklch(96.34% 0.086 116.4)
XYZ	xyz(78.8503, 90.8483, 59.2711)
Luminance	0.9085 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBB9 #C5B9FB

analogous

#FBE6B9 #EFFBB9 #CEFBB9

triadic

#EFFBB9 #B9EFFB #FBB9EF

tetradic

#EFFBB9 #B9FBE6 #C5B9FB #FBB9CE

square

#EFFBB9 #B9FBE6 #C5B9FB #FBB9CE

split-complementary

#EFFBB9 #B9CEFB #E6B9FB

monochromatic

#D5F445 #E2F87F #EFFBB9 #F8FDE2 #F8FDE2

Accessibility & contrast

On white

1.10

#EFFBB9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.17

#EFFBB9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBB9

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBB9	#FFFFFF	#000000	##000000
##EFFBB9	1.00	1.10	19.17	19.17
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.17	21.00	1.00	1.00
##000000	19.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4B5

Deuteranopia (green-blind)

#FFF5BC

Tritanopia (blue-blind)

#F6F4E9

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effbb9;
/* rgb */ color: rgb(239, 251, 185);
/* oklch */ color: oklch(96.3% 0.086 116.4);

Tailwind

colors: {
  custom: {
    50: '#f4fcce',
    500: '#effbb9',
    950: '#000000',
  },
}

SCSS

$custom: #effbb9;
$custom-light: #f4fcce;
$custom-dark: #000000;

JSON

{
  "hex": "#effbb9",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 185
  },
  "hsl": {
    "h": 70.909,
    "s": 89.189,
    "l": 85.49
  },
  "oklch": {
    "l": 0.96338,
    "c": 0.08553,
    "h": 116.4
  },
  "luminance": 0.90848
}

Semantic roles & 50–950 ramp

primary

#EFFBB9

secondary

#8B78E0

accent

#00E62A

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171713

muted

#858583

Preview Lab

Preview with #EFFBB9

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

Preview Lab → · Contrast checker → · Palette generator →