#EFF3DA#EFF3DA

#EFF3DA is a very light, muted yellow. Relative luminance 0.875; OKLCH L 95.5% C 0.033 H 114.4°. Best body text is #000000 at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3DA
RGB	rgb(239, 243, 218)
HSL	hsl(70, 51%, 90%)
HSV	hsv(70, 10%, 95%)
CMYK	cmyk(1.6%, 0%, 10.3%, 4.7%)
CIE-LAB	lab(94.96, -5.58, 11.60)
CIE-LCH	lch(94.96, 12.88, 115.69°)
OKLab	oklab(95.45% -0.0137 0.0302)
OKLCH	oklch(95.45% 0.033 114.4)
XYZ	xyz(80.3004, 87.5141, 78.9776)
Luminance	0.8751 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3DA #DEDAF3

analogous

#F3EADA #EFF3DA #E2F3DA

triadic

#EFF3DA #DAEFF3 #F3DAEF

tetradic

#EFF3DA #DAF3EA #DEDAF3 #F3DAE2

square

#EFF3DA #DAF3EA #DEDAF3 #F3DAE2

split-complementary

#EFF3DA #DAE2F3 #EADAF3

monochromatic

#C7D57E #DBE4AC #EFF3DA #F5F8E8 #F5F8E8

Accessibility & contrast

On white

1.13

#EFF3DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.50

#EFF3DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3DA

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3DA	#FFFFFF	#000000	##000000
##EFF3DA	1.00	1.13	18.50	18.50
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.50	21.00	1.00	1.00
##000000	18.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7F0D9

Deuteranopia (green-blind)

#F7F1DB

Tritanopia (blue-blind)

#F2F0EC

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff3da;
/* rgb */ color: rgb(239, 243, 218);
/* oklch */ color: oklch(95.5% 0.033 114.4);

Tailwind

colors: {
  custom: {
    50: '#f4f7e5',
    500: '#eff3da',
    950: '#000000',
  },
}

SCSS

$custom: #eff3da;
$custom-light: #f4f7e5;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3da",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 218
  },
  "hsl": {
    "h": 69.6,
    "s": 51.02,
    "l": 90.392
  },
  "oklch": {
    "l": 0.9545,
    "c": 0.03316,
    "h": 114.4
  },
  "luminance": 0.87514
}

Semantic roles & 50–950 ramp

primary

#EFF3DA

secondary

#A89FD2

accent

#27BE3F

background

#FFFFFE

surface

#FEFEFC

border

#D6D6D5

text

#171715

muted

#858584

Preview Lab

Preview with #EFF3DA

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

Preview Lab → · Contrast checker → · Palette generator →