#EFFECF#EFFECF

#EFFECF is a very light, moderate yellow-green. Relative luminance 0.937; OKLCH L 97.4% C 0.063 H 122.0°. Best body text is #000000 at 19.75:1 contrast (WCAG AA passes).

Color values

HEX	#EFFECF
RGB	rgb(239, 254, 207)
HSL	hsl(79, 96%, 90%)
HSV	hsv(79, 19%, 100%)
CMYK	cmyk(5.9%, 0%, 18.5%, 0.4%)
CIE-LAB	lab(97.53, -12.77, 20.87)
CIE-LCH	lch(97.53, 24.47, 121.47°)
OKLab	oklab(97.41% -0.0334 0.0535)
OKLCH	oklch(97.41% 0.063 122)
XYZ	xyz(82.2995, 93.7393, 72.7772)
Luminance	0.9374 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFECF #DECFFE

analogous

#FEF5CF #EFFECF #D7FECF

triadic

#EFFECF #CFEFFE #FECFEF

tetradic

#EFFECF #CFFEF5 #DECFFE #FECFD7

square

#EFFECF #CFFEF5 #DECFFE #FECFD7

split-complementary

#EFFECF #CFD7FE #F5CFFE

monochromatic

#C7FC57 #DBFD93 #EFFECF #F5FEE1 #F5FEE1

Accessibility & contrast

On white

1.06

#EFFECF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.75

#EFFECF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFECF

19.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFECF	#FFFFFF	#000000	##000000
##EFFECF	1.00	1.06	19.75	19.75
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.75	21.00	1.00	1.00
##000000	19.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF8CC

Deuteranopia (green-blind)

#FFF8D1

Tritanopia (blue-blind)

#F3F9F1

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #effecf;
/* rgb */ color: rgb(239, 254, 207);
/* oklch */ color: oklch(97.4% 0.063 122.0);

Tailwind

colors: {
  custom: {
    50: '#f4fedd',
    500: '#effecf',
    950: '#000000',
  },
}

SCSS

$custom: #effecf;
$custom-light: #f4fedd;
$custom-dark: #000000;

JSON

{
  "hex": "#effecf",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 207
  },
  "hsl": {
    "h": 79.149,
    "s": 95.918,
    "l": 90.392
  },
  "oklch": {
    "l": 0.97409,
    "c": 0.06308,
    "h": 122
  },
  "luminance": 0.93739
}

Semantic roles & 50–950 ramp

primary

#EFFECF

secondary

#A889E8

accent

#00E649

background

#FFFFFE

surface

#FEFFFC

border

#D6D7D5

text

#171715

muted

#858584

Preview Lab

Preview with #EFFECF

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

Preview Lab → · Contrast checker → · Palette generator →