#EFFCF3#EFFCF3

#EFFCF3 is a very light, near-neutral green. Relative luminance 0.944; OKLCH L 97.9% C 0.018 H 155.8°. Best body text is #000000 at 19.89:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCF3
RGB	rgb(239, 252, 243)
HSL	hsl(138, 68%, 96%)
HSV	hsv(138, 5%, 99%)
CMYK	cmyk(5.2%, 0%, 3.6%, 1.2%)
CIE-LAB	lab(97.81, -5.87, 2.83)
CIE-LCH	lch(97.81, 6.51, 154.24°)
OKLab	oklab(97.89% -0.0165 0.0074)
OKLCH	oklch(97.89% 0.018 155.8)
XYZ	xyz(86.5816, 94.4420, 98.4444)
Luminance	0.9444 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCF3 #FCEFF8

analogous

#F2FCEF #EFFCF3 #EFFCFA

triadic

#EFFCF3 #F3EFFC #FCF3EF

tetradic

#EFFCF3 #EFF2FC #FCEFF8 #FCFAEF

square

#EFFCF3 #EFF2FC #FCEFF8 #FCFAEF

split-complementary

#EFFCF3 #FAEFFC #FCEFF2

monochromatic

#88E9A6 #BBF2CC #E5FAEC #E5FAEC #E5FAEC

Accessibility & contrast

On white

1.06

#EFFCF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.89

#EFFCF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCF3

19.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCF3	#FFFFFF	#000000	##000000
##EFFCF3	1.00	1.06	19.89	19.89
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.89	21.00	1.00	1.00
##000000	19.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCFAF3

Deuteranopia (green-blind)

#F9F8F3

Tritanopia (blue-blind)

#EDFCF9

Achromatopsia (no color)

#F9F9F9

Design tokens & code

CSS

--color: #effcf3;
/* rgb */ color: rgb(239, 252, 243);
/* oklch */ color: oklch(97.9% 0.018 155.8);

Tailwind

colors: {
  custom: {
    50: '#f4fdf7',
    500: '#effcf3',
    950: '#000000',
  },
}

SCSS

$custom: #effcf3;
$custom-light: #f4fdf7;
$custom-dark: #000000;

JSON

{
  "hex": "#effcf3",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 243
  },
  "hsl": {
    "h": 138.462,
    "s": 68.421,
    "l": 96.275
  },
  "oklch": {
    "l": 0.97894,
    "c": 0.01807,
    "h": 155.8
  },
  "luminance": 0.94443
}

Semantic roles & 50–950 ramp

primary

#EFFCF3

secondary

#E2ADD2

accent

#1597D0

background

#FFFFFF

surface

#FEFFFE

border

#D6D7D6

text

#171717

muted

#858585

Preview Lab

Preview with #EFFCF3

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

Preview Lab → · Contrast checker → · Palette generator →