#EFF3CF#EFF3CF

#EFF3CF is a very light, muted yellow. Relative luminance 0.870; OKLCH L 95.2% C 0.047 H 112.4°. Best body text is #000000 at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3CF
RGB	rgb(239, 243, 207)
HSL	hsl(67, 60%, 88%)
HSV	hsv(67, 15%, 95%)
CMYK	cmyk(1.6%, 0%, 14.8%, 4.7%)
CIE-LAB	lab(94.72, -7.31, 16.94)
CIE-LCH	lch(94.72, 18.45, 113.35°)
OKLab	oklab(95.19% -0.0181 0.0437)
OKLCH	oklch(95.19% 0.047 112.4)
XYZ	xyz(78.9085, 86.9573, 71.6468)
Luminance	0.8696 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3CF #D3CFF3

analogous

#F3E5CF #EFF3CF #DDF3CF

triadic

#EFF3CF #CFEFF3 #F3CFEF

tetradic

#EFF3CF #CFF3E5 #D3CFF3 #F3CFDD

square

#EFF3CF #CFF3E5 #D3CFF3 #F3CFDD

split-complementary

#EFF3CF #CFDDF3 #E5CFF3

monochromatic

#CEDB6D #DFE79E #EFF3CF #F7F9E7 #F7F9E7

Accessibility & contrast

On white

1.14

#EFF3CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.39

#EFF3CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3CF

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3CF	#FFFFFF	#000000	##000000
##EFF3CF	1.00	1.14	18.39	18.39
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.39	21.00	1.00	1.00
##000000	18.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9EFCD

Deuteranopia (green-blind)

#F9F0D0

Tritanopia (blue-blind)

#F4EEE9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff3cf;
/* rgb */ color: rgb(239, 243, 207);
/* oklch */ color: oklch(95.2% 0.047 112.4);

Tailwind

colors: {
  custom: {
    50: '#f4f7dd',
    500: '#eff3cf',
    950: '#000000',
  },
}

SCSS

$custom: #eff3cf;
$custom-light: #f4f7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3cf",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 207
  },
  "hsl": {
    "h": 66.667,
    "s": 60,
    "l": 88.235
  },
  "oklch": {
    "l": 0.95186,
    "c": 0.04729,
    "h": 112.4
  },
  "luminance": 0.86957
}

Semantic roles & 50–950 ramp

primary

#EFF3CF

secondary

#9A93D3

accent

#1EC831

background

#FFFFFE

surface

#FEFEFC

border

#D6D6D5

text

#171715

muted

#858584

Preview Lab

Preview with #EFF3CF

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

Preview Lab → · Contrast checker → · Palette generator →