#EFFFF3#EFFFF3

#EFFFF3 is a very light, muted green. Relative luminance 0.963; OKLCH L 98.5% C 0.023 H 153.5°. Best body text is #000000 at 20.27:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFF3
RGB	rgb(239, 255, 243)
HSL	hsl(135, 100%, 97%)
HSV	hsv(135, 6%, 100%)
CMYK	cmyk(6.3%, 0%, 4.7%, 0%)
CIE-LAB	lab(98.57, -7.37, 3.93)
CIE-LCH	lch(98.57, 8.35, 151.92°)
OKLab	oklab(98.49% -0.0206 0.0103)
OKLCH	oklch(98.49% 0.023 153.5)
XYZ	xyz(87.5311, 96.3411, 98.7609)
Luminance	0.9634 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFF3 #FFEFFB

analogous

#F3FFEF #EFFFF3 #EFFFFB

triadic

#EFFFF3 #F3EFFF #FFF3EF

tetradic

#EFFFF3 #EFF3FF #FFEFFB #FFFBEF

square

#EFFFF3 #EFF3FF #FFEFFB #FFFBEF

split-complementary

#EFFFF3 #FBEFFF #FFEFF3

monochromatic

#75FF97 #B2FFC5 #E0FFE8 #E0FFE8 #E0FFE8

Accessibility & contrast

On white

1.04

#EFFFF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.27

#EFFFF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFF3

20.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFF3	#FFFFFF	#000000	##000000
##EFFFF3	1.00	1.04	20.27	20.27
#FFFFFF	1.04	1.00	21.00	21.00
#000000	20.27	21.00	1.00	1.00
##000000	20.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFFCF2

Deuteranopia (green-blind)

#FCFAF4

Tritanopia (blue-blind)

#EDFEFB

Achromatopsia (no color)

#FBFBFB

Design tokens & code

CSS

--color: #effff3;
/* rgb */ color: rgb(239, 255, 243);
/* oklch */ color: oklch(98.5% 0.023 153.5);

Tailwind

colors: {
  custom: {
    50: '#f4fff7',
    500: '#effff3',
    950: '#000000',
  },
}

SCSS

$custom: #effff3;
$custom-light: #f4fff7;
$custom-dark: #000000;

JSON

{
  "hex": "#effff3",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 243
  },
  "hsl": {
    "h": 135,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.98492,
    "c": 0.02301,
    "h": 153.5
  },
  "luminance": 0.96342
}

Semantic roles & 50–950 ramp

primary

#EFFFF3

secondary

#EFA3DC

accent

#00ACE6

background

#FFFFFF

surface

#FEFFFE

border

#D6D7D6

text

#171817

muted

#858685

Preview Lab

Preview with #EFFFF3

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

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