#EFFFF1#EFFFF1

#EFFFF1 is a very light, muted green. Relative luminance 0.962; OKLCH L 98.4% C 0.025 H 149.1°. Best body text is #000000 at 20.24:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFF1
RGB	rgb(239, 255, 241)
HSL	hsl(128, 100%, 97%)
HSV	hsv(128, 6%, 100%)
CMYK	cmyk(6.3%, 0%, 5.5%, 0%)
CIE-LAB	lab(98.52, -7.72, 4.89)
CIE-LCH	lch(98.52, 9.14, 147.66°)
OKLab	oklab(98.44% -0.0213 0.0128)
OKLCH	oklch(98.44% 0.025 149.1)
XYZ	xyz(87.2308, 96.2209, 97.1789)
Luminance	0.9622 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFF1 #FFEFFD

analogous

#F5FFEF #EFFFF1 #EFFFF9

triadic

#EFFFF1 #F1EFFF #FFF1EF

tetradic

#EFFFF1 #EFF5FF #FFEFFD #FFF9EF

square

#EFFFF1 #EFF5FF #FFEFFD #FFF9EF

split-complementary

#EFFFF1 #F9EFFF #FFEFF5

monochromatic

#75FF86 #B2FFBB #E0FFE4 #E0FFE4 #E0FFE4

Accessibility & contrast

On white

1.04

#EFFFF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.24

#EFFFF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFF1

20.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFF1	#FFFFFF	#000000	##000000
##EFFFF1	1.00	1.04	20.24	20.24
#FFFFFF	1.04	1.00	21.00	21.00
#000000	20.24	21.00	1.00	1.00
##000000	20.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFFCF0

Deuteranopia (green-blind)

#FCFAF2

Tritanopia (blue-blind)

#EDFEFB

Achromatopsia (no color)

#FBFBFB

Design tokens & code

CSS

--color: #effff1;
/* rgb */ color: rgb(239, 255, 241);
/* oklch */ color: oklch(98.4% 0.025 149.1);

Tailwind

colors: {
  custom: {
    50: '#f4fff5',
    500: '#effff1',
    950: '#000000',
  },
}

SCSS

$custom: #effff1;
$custom-light: #f4fff5;
$custom-dark: #000000;

JSON

{
  "hex": "#effff1",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 241
  },
  "hsl": {
    "h": 127.5,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.98439,
    "c": 0.02488,
    "h": 149.1
  },
  "luminance": 0.96222
}

Semantic roles & 50–950 ramp

primary

#EFFFF1

secondary

#EFA3E5

accent

#00C9E6

background

#FFFFFF

surface

#FEFFFE

border

#D6D7D6

text

#171817

muted

#858685

Preview Lab

Preview with #EFFFF1

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

Preview Lab → · Contrast checker → · Palette generator →