#EFFBB3#EFFBB3

#EFFBB3 is a very light, moderate yellow-green. Relative luminance 0.906; OKLCH L 96.2% C 0.093 H 115.9°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBB3
RGB	rgb(239, 251, 179)
HSL	hsl(70, 90%, 84%)
HSV	hsv(70, 29%, 98%)
CMYK	cmyk(4.8%, 0%, 28.7%, 1.6%)
CIE-LAB	lab(96.25, -15.24, 33.28)
CIE-LCH	lch(96.25, 36.60, 114.60°)
OKLab	oklab(96.22% -0.0404 0.0834)
OKLCH	oklch(96.22% 0.093 115.9)
XYZ	xyz(78.2302, 90.6003, 56.0055)
Luminance	0.9060 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBB3 #BFB3FB

analogous

#FBE3B3 #EFFBB3 #CBFBB3

triadic

#EFFBB3 #B3EFFB #FBB3EF

tetradic

#EFFBB3 #B3FBE3 #BFB3FB #FBB3CB

square

#EFFBB3 #B3FBE3 #BFB3FB #FBB3CB

split-complementary

#EFFBB3 #B3CBFB #E3B3FB

monochromatic

#D7F53F #E3F879 #EFFBB3 #F9FDE2 #F9FDE2

Accessibility & contrast

On white

1.10

#EFFBB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#EFFBB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBB3

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBB3	#FFFFFF	#000000	##000000
##EFFBB3	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4AE

Deuteranopia (green-blind)

#FFF5B6

Tritanopia (blue-blind)

#F7F3E8

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effbb3;
/* rgb */ color: rgb(239, 251, 179);
/* oklch */ color: oklch(96.2% 0.093 115.9);

Tailwind

colors: {
  custom: {
    50: '#f5fcca',
    500: '#effbb3',
    950: '#000000',
  },
}

SCSS

$custom: #effbb3;
$custom-light: #f5fcca;
$custom-dark: #000000;

JSON

{
  "hex": "#effbb3",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 179
  },
  "hsl": {
    "h": 70,
    "s": 90,
    "l": 84.314
  },
  "oklch": {
    "l": 0.96223,
    "c": 0.09267,
    "h": 115.9
  },
  "luminance": 0.906
}

Semantic roles & 50–950 ramp

primary

#EFFBB3

secondary

#8573DF

accent

#00E626

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFFBB3

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

Preview Lab → · Contrast checker → · Palette generator →