#EFFFC6#EFFFC6

#EFFFC6 is a very light, moderate yellow-green. Relative luminance 0.939; OKLCH L 97.4% C 0.075 H 120.5°. Best body text is #000000 at 19.79:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFC6
RGB	rgb(239, 255, 198)
HSL	hsl(77, 100%, 89%)
HSV	hsv(77, 22%, 100%)
CMYK	cmyk(6.3%, 0%, 22.4%, 0%)
CIE-LAB	lab(97.61, -14.59, 25.56)
CIE-LCH	lch(97.61, 29.43, 119.72°)
OKLab	oklab(97.42% -0.0384 0.065)
OKLCH	oklch(97.42% 0.075 120.5)
XYZ	xyz(81.5486, 93.9480, 67.2528)
Luminance	0.9395 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFC6 #D6C6FF

analogous

#FFF3C6 #EFFFC6 #D3FFC6

triadic

#EFFFC6 #C6EFFF #FFC6EF

tetradic

#EFFFC6 #C6FFF3 #D6C6FF #FFC6D3

square

#EFFFC6 #C6FFF3 #D6C6FF #FFC6D3

split-complementary

#EFFFC6 #C6D3FF #F3C6FF

monochromatic

#CDFF4C #DEFF89 #EFFFC6 #F6FFE0 #F6FFE0

Accessibility & contrast

On white

1.06

#EFFFC6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.79

#EFFFC6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFC6

19.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFC6	#FFFFFF	#000000	##000000
##EFFFC6	1.00	1.06	19.79	19.79
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.79	21.00	1.00	1.00
##000000	19.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF8C3

Deuteranopia (green-blind)

#FFF8C8

Tritanopia (blue-blind)

#F4F9EF

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #efffc6;
/* rgb */ color: rgb(239, 255, 198);
/* oklch */ color: oklch(97.4% 0.075 120.5);

Tailwind

colors: {
  custom: {
    50: '#f4ffd7',
    500: '#efffc6',
    950: '#000000',
  },
}

SCSS

$custom: #efffc6;
$custom-light: #f4ffd7;
$custom-dark: #000000;

JSON

{
  "hex": "#efffc6",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 198
  },
  "hsl": {
    "h": 76.842,
    "s": 100,
    "l": 88.824
  },
  "oklch": {
    "l": 0.97419,
    "c": 0.07549,
    "h": 120.5
  },
  "luminance": 0.93948
}

Semantic roles & 50–950 ramp

primary

#EFFFC6

secondary

#9E81E9

accent

#00E640

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171814

muted

#858683

Preview Lab

Preview with #EFFFC6

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

Preview Lab → · Contrast checker → · Palette generator →