#EFFFCF#EFFFCF

#EFFFCF is a very light, moderate yellow-green. Relative luminance 0.944; OKLCH L 97.6% C 0.065 H 122.6°. Best body text is #000000 at 19.88:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFCF
RGB	rgb(239, 255, 207)
HSL	hsl(80, 100%, 91%)
HSV	hsv(80, 19%, 100%)
CMYK	cmyk(6.3%, 0%, 18.8%, 0%)
CIE-LAB	lab(97.78, -13.27, 21.23)
CIE-LCH	lch(97.78, 25.03, 122.00°)
OKLab	oklab(97.61% -0.0348 0.0544)
OKLCH	oklch(97.61% 0.065 122.6)
XYZ	xyz(82.6177, 94.3757, 72.8832)
Luminance	0.9438 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFCF #DFCFFF

analogous

#FFF7CF #EFFFCF #D7FFCF

triadic

#EFFFCF #CFEFFF #FFCFEF

tetradic

#EFFFCF #CFFFF7 #DFCFFF #FFCFD7

square

#EFFFCF #CFFFF7 #DFCFFF #FFCFD7

split-complementary

#EFFFCF #CFD7FF #F7CFFF

monochromatic

#C6FF55 #DBFF92 #EFFFCF #F5FFE0 #F5FFE0

Accessibility & contrast

On white

1.06

#EFFFCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.88

#EFFFCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFCF

19.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFCF	#FFFFFF	#000000	##000000
##EFFFCF	1.00	1.06	19.88	19.88
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.88	21.00	1.00	1.00
##000000	19.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF9CC

Deuteranopia (green-blind)

#FFF9D1

Tritanopia (blue-blind)

#F3FAF2

Achromatopsia (no color)

#F9F9F9

Design tokens & code

CSS

--color: #efffcf;
/* rgb */ color: rgb(239, 255, 207);
/* oklch */ color: oklch(97.6% 0.065 122.6);

Tailwind

colors: {
  custom: {
    50: '#f4ffdd',
    500: '#efffcf',
    950: '#000000',
  },
}

SCSS

$custom: #efffcf;
$custom-light: #f4ffdd;
$custom-dark: #000000;

JSON

{
  "hex": "#efffcf",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 207
  },
  "hsl": {
    "h": 80,
    "s": 100,
    "l": 90.588
  },
  "oklch": {
    "l": 0.97612,
    "c": 0.06456,
    "h": 122.6
  },
  "luminance": 0.94376
}

Semantic roles & 50–950 ramp

primary

#EFFFCF

secondary

#A988EA

accent

#00E64D

background

#FFFFFE

surface

#FEFFFC

border

#D6D7D5

text

#171815

muted

#858684

Preview Lab

Preview with #EFFFCF

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

Preview Lab → · Contrast checker → · Palette generator →