#EFF3C8#EFF3C8

#EFF3C8 is a very light, muted yellow. Relative luminance 0.866; OKLCH L 95.0% C 0.056 H 111.8°. Best body text is #000000 at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3C8
RGB	rgb(239, 243, 200)
HSL	hsl(66, 64%, 87%)
HSV	hsv(66, 18%, 95%)
CMYK	cmyk(1.6%, 0%, 17.7%, 4.7%)
CIE-LAB	lab(94.58, -8.37, 20.34)
CIE-LCH	lch(94.58, 21.99, 112.36°)
OKLab	oklab(95.03% -0.0208 0.0522)
OKLCH	oklch(95.03% 0.056 111.8)
XYZ	xyz(78.0716, 86.6226, 67.2393)
Luminance	0.8662 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3C8 #CCC8F3

analogous

#F3E2C8 #EFF3C8 #DAF3C8

triadic

#EFF3C8 #C8EFF3 #F3C8EF

tetradic

#EFF3C8 #C8F3E2 #CCC8F3 #F3C8DA

square

#EFF3C8 #C8F3E2 #CCC8F3 #F3C8DA

split-complementary

#EFF3C8 #C8DAF3 #E2C8F3

monochromatic

#D2DD64 #E0E896 #EFF3C8 #F8FAE6 #F8FAE6

Accessibility & contrast

On white

1.15

#EFF3C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.32

#EFF3C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3C8

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3C8	#FFFFFF	#000000	##000000
##EFF3C8	1.00	1.15	18.32	18.32
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.32	21.00	1.00	1.00
##000000	18.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAEFC5

Deuteranopia (green-blind)

#FAF0CA

Tritanopia (blue-blind)

#F5EEE7

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff3c8;
/* rgb */ color: rgb(239, 243, 200);
/* oklch */ color: oklch(95.0% 0.056 111.8);

Tailwind

colors: {
  custom: {
    50: '#f4f7d8',
    500: '#eff3c8',
    950: '#000000',
  },
}

SCSS

$custom: #eff3c8;
$custom-light: #f4f7d8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3c8",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 200
  },
  "hsl": {
    "h": 65.581,
    "s": 64.179,
    "l": 86.863
  },
  "oklch": {
    "l": 0.95026,
    "c": 0.05618,
    "h": 111.8
  },
  "luminance": 0.86622
}

Semantic roles & 50–950 ramp

primary

#EFF3C8

secondary

#938CD3

accent

#1ACC2A

background

#FFFFFE

surface

#FEFEFB

border

#D6D6D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFF3C8

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

Preview Lab → · Contrast checker → · Palette generator →