#EFF3BB#EFF3BB

#EFF3BB is a very light, moderate yellow. Relative luminance 0.860; OKLCH L 94.7% C 0.072 H 111.1°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3BB
RGB	rgb(239, 243, 187)
HSL	hsl(64, 70%, 84%)
HSV	hsv(64, 23%, 95%)
CMYK	cmyk(1.6%, 0%, 23%, 4.7%)
CIE-LAB	lab(94.33, -10.23, 26.64)
CIE-LCH	lch(94.33, 28.54, 111.00°)
OKLab	oklab(94.75% -0.026 0.0676)
OKLCH	oklch(94.75% 0.072 111.1)
XYZ	xyz(76.6165, 86.0405, 59.5754)
Luminance	0.8604 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3BB #BFBBF3

analogous

#F3DBBB #EFF3BB #D3F3BB

triadic

#EFF3BB #BBEFF3 #F3BBEF

tetradic

#EFF3BB #BBF3DB #BFBBF3 #F3BBD3

square

#EFF3BB #BBF3DB #BFBBF3 #F3BBD3

split-complementary

#EFF3BB #BBD3F3 #DBBBF3

monochromatic

#D7E153 #E3EA87 #EFF3BB #F9FAE5 #F9FAE5

Accessibility & contrast

On white

1.15

#EFF3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.21

#EFF3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3BB

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3BB	#FFFFFF	#000000	##000000
##EFF3BB	1.00	1.15	18.21	18.21
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.21	21.00	1.00	1.00
##000000	18.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCEEB7

Deuteranopia (green-blind)

#FCF0BD

Tritanopia (blue-blind)

#F7ECE4

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff3bb;
/* rgb */ color: rgb(239, 243, 187);
/* oklch */ color: oklch(94.7% 0.072 111.1);

Tailwind

colors: {
  custom: {
    50: '#f4f7cf',
    500: '#eff3bb',
    950: '#000000',
  },
}

SCSS

$custom: #eff3bb;
$custom-light: #f4f7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3bb",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 187
  },
  "hsl": {
    "h": 64.286,
    "s": 70,
    "l": 84.314
  },
  "oklch": {
    "l": 0.94748,
    "c": 0.0724,
    "h": 111.1
  },
  "luminance": 0.8604
}

Semantic roles & 50–950 ramp

primary

#EFF3BB

secondary

#857FD3

accent

#14D221

background

#FFFFFE

surface

#FEFEFB

border

#D6D6D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFF3BB

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

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