#EFFFBC#EFFFBC

#EFFFBC is a very light, moderate yellow-green. Relative luminance 0.935; OKLCH L 97.2% C 0.087 H 119.0°. Best body text is #000000 at 19.70:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFBC
RGB	rgb(239, 255, 188)
HSL	hsl(74, 100%, 87%)
HSV	hsv(74, 26%, 100%)
CMYK	cmyk(6.3%, 0%, 26.3%, 0%)
CIE-LAB	lab(97.43, -15.99, 30.36)
CIE-LCH	lch(97.43, 34.31, 117.78°)
OKLab	oklab(97.22% -0.0424 0.0766)
OKLCH	oklch(97.22% 0.087 119)
XYZ	xyz(80.4330, 93.5018, 61.3775)
Luminance	0.9350 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFBC #CCBCFF

analogous

#FFEDBC #EFFFBC #CEFFBC

triadic

#EFFFBC #BCEFFF #FFBCEF

tetradic

#EFFFBC #BCFFED #CCBCFF #FFBCCE

square

#EFFFBC #BCFFED #CCBCFF #FFBCCE

split-complementary

#EFFFBC #BCCEFF #EDBCFF

monochromatic

#D2FF42 #E0FF7F #EFFFBC #F8FFE0 #F8FFE0

Accessibility & contrast

On white

1.07

#EFFFBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.70

#EFFFBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFBC

19.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFBC	#FFFFFF	#000000	##000000
##EFFFBC	1.00	1.07	19.70	19.70
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.70	21.00	1.00	1.00
##000000	19.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF8B8

Deuteranopia (green-blind)

#FFF8BF

Tritanopia (blue-blind)

#F5F8ED

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #efffbc;
/* rgb */ color: rgb(239, 255, 188);
/* oklch */ color: oklch(97.2% 0.087 119.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#efffbc",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 188
  },
  "hsl": {
    "h": 74.328,
    "s": 100,
    "l": 86.863
  },
  "oklch": {
    "l": 0.97216,
    "c": 0.08749,
    "h": 119
  },
  "luminance": 0.93502
}

Semantic roles & 50–950 ramp

primary

#EFFFBC

secondary

#9378E7

accent

#00E637

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171814

muted

#858683

Preview Lab

Preview with #EFFFBC

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

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