#EFF3AF#EFF3AF

#EFF3AF is a very light, moderate yellow. Relative luminance 0.855; OKLCH L 94.5% C 0.087 H 110.8°. Best body text is #000000 at 18.11:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3AF
RGB	rgb(239, 243, 175)
HSL	hsl(64, 74%, 82%)
HSV	hsv(64, 28%, 95%)
CMYK	cmyk(1.6%, 0%, 28%, 4.7%)
CIE-LAB	lab(94.12, -11.82, 32.44)
CIE-LCH	lch(94.12, 34.53, 110.02°)
OKLab	oklab(94.51% -0.0308 0.0813)
OKLCH	oklch(94.51% 0.087 110.8)
XYZ	xyz(75.3851, 85.5480, 53.0903)
Luminance	0.8555 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3AF #B3AFF3

analogous

#F3D5AF #EFF3AF #CDF3AF

triadic

#EFF3AF #AFEFF3 #F3AFEF

tetradic

#EFF3AF #AFF3D5 #B3AFF3 #F3AFCD

square

#EFF3AF #AFF3D5 #B3AFF3 #F3AFCD

split-complementary

#EFF3AF #AFCDF3 #D5AFF3

monochromatic

#DAE345 #E4EB7A #EFF3AF #FAFBE4 #FAFBE4

Accessibility & contrast

On white

1.16

#EFF3AF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.11

#EFF3AF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3AF

18.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3AF	#FFFFFF	#000000	##000000
##EFF3AF	1.00	1.16	18.11	18.11
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.11	21.00	1.00	1.00
##000000	18.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEDAA

Deuteranopia (green-blind)

#FEEFB2

Tritanopia (blue-blind)

#F8EBE1

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff3af;
/* rgb */ color: rgb(239, 243, 175);
/* oklch */ color: oklch(94.5% 0.087 110.8);

Tailwind

colors: {
  custom: {
    50: '#f5f7c7',
    500: '#eff3af',
    950: '#000000',
  },
}

SCSS

$custom: #eff3af;
$custom-light: #f5f7c7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3af",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 175
  },
  "hsl": {
    "h": 63.529,
    "s": 73.913,
    "l": 81.961
  },
  "oklch": {
    "l": 0.94511,
    "c": 0.08696,
    "h": 110.8
  },
  "luminance": 0.85547
}

Semantic roles & 50–950 ramp

primary

#EFF3AF

secondary

#7974D3

accent

#0FD61B

background

#FFFFFD

surface

#FEFEF9

border

#D6D6D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFF3AF

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

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