#EFFFC4#EFFFC4

#EFFFC4 is a very light, moderate yellow-green. Relative luminance 0.939; OKLCH L 97.4% C 0.078 H 120.2°. Best body text is #000000 at 19.77:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFC4
RGB	rgb(239, 255, 196)
HSL	hsl(76, 100%, 88%)
HSV	hsv(76, 23%, 100%)
CMYK	cmyk(6.3%, 0%, 23.1%, 0%)
CIE-LAB	lab(97.57, -14.88, 26.52)
CIE-LCH	lch(97.57, 30.41, 119.29°)
OKLab	oklab(97.38% -0.0392 0.0673)
OKLCH	oklch(97.38% 0.078 120.2)
XYZ	xyz(81.3194, 93.8564, 66.0459)
Luminance	0.9386 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFC4 #D4C4FF

analogous

#FFF1C4 #EFFFC4 #D1FFC4

triadic

#EFFFC4 #C4EFFF #FFC4EF

tetradic

#EFFFC4 #C4FFF1 #D4C4FF #FFC4D1

square

#EFFFC4 #C4FFF1 #D4C4FF #FFC4D1

split-complementary

#EFFFC4 #C4D1FF #F1C4FF

monochromatic

#CEFF4A #DEFF87 #EFFFC4 #F7FFE0 #F7FFE0

Accessibility & contrast

On white

1.06

#EFFFC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.77

#EFFFC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFC4

19.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFC4	#FFFFFF	#000000	##000000
##EFFFC4	1.00	1.06	19.77	19.77
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.77	21.00	1.00	1.00
##000000	19.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF8C0

Deuteranopia (green-blind)

#FFF8C6

Tritanopia (blue-blind)

#F4F9EF

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #efffc4;
/* rgb */ color: rgb(239, 255, 196);
/* oklch */ color: oklch(97.4% 0.078 120.2);

Tailwind

colors: {
  custom: {
    50: '#f4ffd6',
    500: '#efffc4',
    950: '#000000',
  },
}

SCSS

$custom: #efffc4;
$custom-light: #f4ffd6;
$custom-dark: #000000;

JSON

{
  "hex": "#efffc4",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 196
  },
  "hsl": {
    "h": 76.271,
    "s": 100,
    "l": 88.431
  },
  "oklch": {
    "l": 0.97377,
    "c": 0.0779,
    "h": 120.2
  },
  "luminance": 0.93856
}

Semantic roles & 50–950 ramp

primary

#EFFFC4

secondary

#9B7FE8

accent

#00E63E

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171814

muted

#858683

Preview Lab

Preview with #EFFFC4

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

Preview Lab → · Contrast checker → · Palette generator →