#EFFFB4#EFFFB4

#EFFFB4 is a very light, moderate yellow-green. Relative luminance 0.932; OKLCH L 97.1% C 0.097 H 118.0°. Best body text is #000000 at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFB4
RGB	rgb(239, 255, 180)
HSL	hsl(73, 100%, 85%)
HSV	hsv(73, 29%, 100%)
CMYK	cmyk(6.3%, 0%, 29.4%, 0%)
CIE-LAB	lab(97.30, -17.05, 34.18)
CIE-LCH	lch(97.30, 38.20, 116.51°)
OKLab	oklab(97.06% -0.0455 0.0856)
OKLCH	oklch(97.06% 0.097 118)
XYZ	xyz(79.5944, 93.1664, 56.9609)
Luminance	0.9317 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFB4 #C4B4FF

analogous

#FFE9B4 #EFFFB4 #C9FFB4

triadic

#EFFFB4 #B4EFFF #FFB4EF

tetradic

#EFFFB4 #B4FFE9 #C4B4FF #FFB4C9

square

#EFFFB4 #B4FFE9 #C4B4FF #FFB4C9

split-complementary

#EFFFB4 #B4C9FF #E9B4FF

monochromatic

#D5FF3A #E2FF77 #EFFFB4 #F8FFE0 #F8FFE0

Accessibility & contrast

On white

1.07

#EFFFB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.63

#EFFFB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFB4

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFB4	#FFFFFF	#000000	##000000
##EFFFB4	1.00	1.07	19.63	19.63
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.63	21.00	1.00	1.00
##000000	19.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7AF

Deuteranopia (green-blind)

#FFF8B7

Tritanopia (blue-blind)

#F6F7EB

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #efffb4;
/* rgb */ color: rgb(239, 255, 180);
/* oklch */ color: oklch(97.1% 0.097 118.0);

Tailwind

colors: {
  custom: {
    50: '#f5ffcb',
    500: '#efffb4',
    950: '#000000',
  },
}

SCSS

$custom: #efffb4;
$custom-light: #f5ffcb;
$custom-dark: #000000;

JSON

{
  "hex": "#efffb4",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 180
  },
  "hsl": {
    "h": 72.8,
    "s": 100,
    "l": 85.294
  },
  "oklch": {
    "l": 0.97064,
    "c": 0.09692,
    "h": 118
  },
  "luminance": 0.93166
}

Semantic roles & 50–950 ramp

primary

#EFFFB4

secondary

#8A71E6

accent

#00E631

background

#FFFFFE

surface

#FEFFFA

border

#D6D7D3

text

#171813

muted

#858683

Preview Lab

Preview with #EFFFB4

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

Preview Lab → · Contrast checker → · Palette generator →