#EFFFBB#EFFFBB

#EFFFBB is a very light, moderate yellow-green. Relative luminance 0.935; OKLCH L 97.2% C 0.089 H 118.8°. Best body text is #000000 at 19.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFBB
RGB	rgb(239, 255, 187)
HSL	hsl(74, 100%, 87%)
HSV	hsv(74, 27%, 100%)
CMYK	cmyk(6.3%, 0%, 26.7%, 0%)
CIE-LAB	lab(97.41, -16.13, 30.84)
CIE-LCH	lch(97.41, 34.80, 117.61°)
OKLab	oklab(97.2% -0.0428 0.0777)
OKLCH	oklch(97.2% 0.089 118.8)
XYZ	xyz(80.3256, 93.4588, 60.8118)
Luminance	0.9346 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFBB #CBBBFF

analogous

#FFEDBB #EFFFBB #CDFFBB

triadic

#EFFFBB #BBEFFF #FFBBEF

tetradic

#EFFFBB #BBFFED #CBBBFF #FFBBCD

square

#EFFFBB #BBFFED #CBBBFF #FFBBCD

split-complementary

#EFFFBB #BBCDFF #EDBBFF

monochromatic

#D2FF41 #E1FF7E #EFFFBB #F8FFE0 #F8FFE0

Accessibility & contrast

On white

1.07

#EFFFBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.69

#EFFFBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFBB

19.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFBB	#FFFFFF	#000000	##000000
##EFFFBB	1.00	1.07	19.69	19.69
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.69	21.00	1.00	1.00
##000000	19.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF8B7

Deuteranopia (green-blind)

#FFF8BE

Tritanopia (blue-blind)

#F6F8ED

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #efffbb;
/* rgb */ color: rgb(239, 255, 187);
/* oklch */ color: oklch(97.2% 0.089 118.8);

Tailwind

colors: {
  custom: {
    50: '#f4ffd0',
    500: '#efffbb',
    950: '#000000',
  },
}

SCSS

$custom: #efffbb;
$custom-light: #f4ffd0;
$custom-dark: #000000;

JSON

{
  "hex": "#efffbb",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 187
  },
  "hsl": {
    "h": 74.118,
    "s": 100,
    "l": 86.667
  },
  "oklch": {
    "l": 0.97197,
    "c": 0.08868,
    "h": 118.8
  },
  "luminance": 0.93459
}

Semantic roles & 50–950 ramp

primary

#EFFFBB

secondary

#9177E7

accent

#00E636

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171814

muted

#858683

Preview Lab

Preview with #EFFFBB

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

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