#EFFFF4#EFFFF4

#EFFFF4 is a very light, muted green. Relative luminance 0.964; OKLCH L 98.5% C 0.022 H 155.9°. Best body text is #000000 at 20.28:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFF4
RGB	rgb(239, 255, 244)
HSL	hsl(139, 100%, 97%)
HSV	hsv(139, 6%, 100%)
CMYK	cmyk(6.3%, 0%, 4.3%, 0%)
CIE-LAB	lab(98.59, -7.19, 3.45)
CIE-LCH	lch(98.59, 7.98, 154.36°)
OKLab	oklab(98.52% -0.0202 0.009)
OKLCH	oklch(98.52% 0.022 155.9)
XYZ	xyz(87.6826, 96.4016, 99.5583)
Luminance	0.9640 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFF4 #FFEFFA

analogous

#F2FFEF #EFFFF4 #EFFFFC

triadic

#EFFFF4 #F4EFFF #FFF4EF

tetradic

#EFFFF4 #EFF2FF #FFEFFA #FFFCEF

square

#EFFFF4 #EFF2FF #FFEFFA #FFFCEF

split-complementary

#EFFFF4 #FCEFFF #FFEFF2

monochromatic

#75FFA0 #B2FFCA #E0FFEA #E0FFEA #E0FFEA

Accessibility & contrast

On white

1.04

#EFFFF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.28

#EFFFF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFF4

20.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFF4	#FFFFFF	#000000	##000000
##EFFFF4	1.00	1.04	20.28	20.28
#FFFFFF	1.04	1.00	21.00	21.00
#000000	20.28	21.00	1.00	1.00
##000000	20.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFFCF3

Deuteranopia (green-blind)

#FCFAF5

Tritanopia (blue-blind)

#EDFFFC

Achromatopsia (no color)

#FBFBFB

Design tokens & code

CSS

--color: #effff4;
/* rgb */ color: rgb(239, 255, 244);
/* oklch */ color: oklch(98.5% 0.022 155.9);

Tailwind

colors: {
  custom: {
    50: '#f4fff7',
    500: '#effff4',
    950: '#000000',
  },
}

SCSS

$custom: #effff4;
$custom-light: #f4fff7;
$custom-dark: #000000;

JSON

{
  "hex": "#effff4",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 244
  },
  "hsl": {
    "h": 138.75,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.98519,
    "c": 0.02212,
    "h": 155.9
  },
  "luminance": 0.96402
}

Semantic roles & 50–950 ramp

primary

#EFFFF4

secondary

#EFA3D7

accent

#009EE6

background

#FFFFFF

surface

#FEFFFE

border

#D6D7D6

text

#171817

muted

#858685

Preview Lab

Preview with #EFFFF4

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

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