#EFF3AC#EFF3AC

#EFF3AC is a very light, moderate yellow. Relative luminance 0.854; OKLCH L 94.5% C 0.091 H 110.7°. Best body text is #000000 at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3AC
RGB	rgb(239, 243, 172)
HSL	hsl(63, 75%, 81%)
HSV	hsv(63, 29%, 95%)
CMYK	cmyk(1.6%, 0%, 29.2%, 4.7%)
CIE-LAB	lab(94.07, -12.20, 33.89)
CIE-LCH	lch(94.07, 36.02, 109.80°)
OKLab	oklab(94.46% -0.032 0.0847)
OKLCH	oklch(94.46% 0.091 110.7)
XYZ	xyz(75.0937, 85.4314, 51.5557)
Luminance	0.8543 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3AC #B0ACF3

analogous

#F3D4AC #EFF3AC #CCF3AC

triadic

#EFF3AC #ACEFF3 #F3ACEF

tetradic

#EFF3AC #ACF3D4 #B0ACF3 #F3ACCC

square

#EFF3AC #ACF3D4 #B0ACF3 #F3ACCC

split-complementary

#EFF3AC #ACCCF3 #D4ACF3

monochromatic

#DAE441 #E5EB77 #EFF3AC #F9FBE1 #FAFBE4

Accessibility & contrast

On white

1.16

#EFF3AC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.09

#EFF3AC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3AC

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3AC	#FFFFFF	#000000	##000000
##EFF3AC	1.00	1.16	18.09	18.09
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.09	21.00	1.00	1.00
##000000	18.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEDA7

Deuteranopia (green-blind)

#FEEFAF

Tritanopia (blue-blind)

#F8EBE0

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff3ac;
/* rgb */ color: rgb(239, 243, 172);
/* oklch */ color: oklch(94.5% 0.091 110.7);

Tailwind

colors: {
  custom: {
    50: '#f5f7c5',
    500: '#eff3ac',
    950: '#000000',
  },
}

SCSS

$custom: #eff3ac;
$custom-light: #f5f7c5;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3ac",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 172
  },
  "hsl": {
    "h": 63.38,
    "s": 74.737,
    "l": 81.373
  },
  "oklch": {
    "l": 0.94455,
    "c": 0.09054,
    "h": 110.7
  },
  "luminance": 0.8543
}

Semantic roles & 50–950 ramp

primary

#EFF3AC

secondary

#7671D2

accent

#0FD71A

background

#FFFFFD

surface

#FEFEF9

border

#D6D6D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFF3AC

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

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