#EFFBB5#EFFBB5

#EFFBB5 is a very light, moderate yellow-green. Relative luminance 0.907; OKLCH L 96.3% C 0.090 H 116.0°. Best body text is #000000 at 19.14:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBB5
RGB	rgb(239, 251, 181)
HSL	hsl(70, 90%, 85%)
HSV	hsv(70, 28%, 98%)
CMYK	cmyk(4.8%, 0%, 27.9%, 1.6%)
CIE-LAB	lab(96.28, -14.98, 32.32)
CIE-LCH	lch(96.28, 35.62, 114.86°)
OKLab	oklab(96.26% -0.0396 0.0811)
OKLCH	oklch(96.26% 0.09 116)
XYZ	xyz(78.4339, 90.6818, 57.0785)
Luminance	0.9068 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBB5 #C1B5FB

analogous

#FBE4B5 #EFFBB5 #CCFBB5

triadic

#EFFBB5 #B5EFFB #FBB5EF

tetradic

#EFFBB5 #B5FBE4 #C1B5FB #FBB5CC

square

#EFFBB5 #B5FBE4 #C1B5FB #FBB5CC

split-complementary

#EFFBB5 #B5CCFB #E4B5FB

monochromatic

#D6F541 #E2F87B #EFFBB5 #F9FDE2 #F9FDE2

Accessibility & contrast

On white

1.10

#EFFBB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.14

#EFFBB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBB5

19.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBB5	#FFFFFF	#000000	##000000
##EFFBB5	1.00	1.10	19.14	19.14
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.14	21.00	1.00	1.00
##000000	19.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4B0

Deuteranopia (green-blind)

#FFF5B8

Tritanopia (blue-blind)

#F7F3E9

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effbb5;
/* rgb */ color: rgb(239, 251, 181);
/* oklch */ color: oklch(96.3% 0.090 116.0);

Tailwind

colors: {
  custom: {
    50: '#f5fccb',
    500: '#effbb5',
    950: '#000000',
  },
}

SCSS

$custom: #effbb5;
$custom-light: #f5fccb;
$custom-dark: #000000;

JSON

{
  "hex": "#effbb5",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 181
  },
  "hsl": {
    "h": 70.286,
    "s": 89.744,
    "l": 84.706
  },
  "oklch": {
    "l": 0.96261,
    "c": 0.09031,
    "h": 116
  },
  "luminance": 0.90681
}

Semantic roles & 50–950 ramp

primary

#EFFBB5

secondary

#8775DF

accent

#00E627

background

#FFFFFE

surface

#FEFFFA

border

#D6D7D3

text

#171713

muted

#858583

Preview Lab

Preview with #EFFBB5

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

Preview Lab → · Contrast checker → · Palette generator →