#EFF3B2#EFF3B2

#EFF3B2 is a very light, moderate yellow. Relative luminance 0.857; OKLCH L 94.6% C 0.083 H 110.8°. Best body text is #000000 at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3B2
RGB	rgb(239, 243, 178)
HSL	hsl(64, 73%, 83%)
HSV	hsv(64, 27%, 95%)
CMYK	cmyk(1.6%, 0%, 26.7%, 4.7%)
CIE-LAB	lab(94.17, -11.43, 31.00)
CIE-LCH	lch(94.17, 33.04, 110.25°)
OKLab	oklab(94.57% -0.0296 0.0779)
OKLCH	oklch(94.57% 0.083 110.8)
XYZ	xyz(75.6830, 85.6672, 54.6593)
Luminance	0.8567 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3B2 #B6B2F3

analogous

#F3D6B2 #EFF3B2 #CFF3B2

triadic

#EFF3B2 #B2EFF3 #F3B2EF

tetradic

#EFF3B2 #B2F3D6 #B6B2F3 #F3B2CF

square

#EFF3B2 #B2F3D6 #B6B2F3 #F3B2CF

split-complementary

#EFF3B2 #B2CFF3 #D6B2F3

monochromatic

#D9E248 #E4EB7D #EFF3B2 #F9FBE5 #F9FBE5

Accessibility & contrast

On white

1.16

#EFF3B2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.13

#EFF3B2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3B2

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3B2	#FFFFFF	#000000	##000000
##EFF3B2	1.00	1.16	18.13	18.13
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.13	21.00	1.00	1.00
##000000	18.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDEDAE

Deuteranopia (green-blind)

#FEEFB5

Tritanopia (blue-blind)

#F8EBE2

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff3b2;
/* rgb */ color: rgb(239, 243, 178);
/* oklch */ color: oklch(94.6% 0.083 110.8);

Tailwind

colors: {
  custom: {
    50: '#f5f7c9',
    500: '#eff3b2',
    950: '#000000',
  },
}

SCSS

$custom: #eff3b2;
$custom-light: #f5f7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3b2",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 178
  },
  "hsl": {
    "h": 63.692,
    "s": 73.034,
    "l": 82.549
  },
  "oklch": {
    "l": 0.94569,
    "c": 0.08337,
    "h": 110.8
  },
  "luminance": 0.85666
}

Semantic roles & 50–950 ramp

primary

#EFF3B2

secondary

#7C76D3

accent

#10D51C

background

#FFFFFD

surface

#FEFEF9

border

#D6D6D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFF3B2

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

Preview Lab → · Contrast checker → · Palette generator →