#EFFB8A#EFFB8A

#EFFB8A is a very light, vivid yellow. Relative luminance 0.892; OKLCH L 95.6% C 0.138 H 114.0°. Best body text is #000000 at 18.84:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB8A
RGB	rgb(239, 251, 138)
HSL	hsl(66, 93%, 76%)
HSV	hsv(66, 45%, 98%)
CMYK	cmyk(4.8%, 0%, 45%, 1.6%)
CIE-LAB	lab(95.66, -19.89, 52.54)
CIE-LCH	lch(95.66, 56.18, 110.73°)
OKLab	oklab(95.56% -0.0561 0.126)
OKLCH	oklch(95.56% 0.138 114)
XYZ	xyz(74.6822, 89.1811, 37.3193)
Luminance	0.8918 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB8A #968AFB

analogous

#FBCF8A #EFFB8A #B7FB8A

triadic

#EFFB8A #8AEFFB #FB8AEF

tetradic

#EFFB8A #8AFBCF #968AFB #FB8AB7

square

#EFFB8A #8AFBCF #968AFB #FB8AB7

split-complementary

#EFFB8A #8AB7FB #CF8AFB

monochromatic

#DFF714 #E7F94F #EFFB8A #F7FDC5 #FBFEE1

Accessibility & contrast

On white

1.11

#EFFB8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.84

#EFFB8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB8A

18.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB8A	#FFFFFF	#000000	##000000
##EFFB8A	1.00	1.11	18.84	18.84
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.84	21.00	1.00	1.00
##000000	18.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF180

Deuteranopia (green-blind)

#FFF490

Tritanopia (blue-blind)

#FBF0E0

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb8a;
/* rgb */ color: rgb(239, 251, 138);
/* oklch */ color: oklch(95.6% 0.138 114.0);

Tailwind

colors: {
  custom: {
    50: '#f6fcae',
    500: '#effb8a',
    950: '#000000',
  },
}

SCSS

$custom: #effb8a;
$custom-light: #f6fcae;
$custom-dark: #000000;

JSON

{
  "hex": "#effb8a",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 138
  },
  "hsl": {
    "h": 66.372,
    "s": 93.388,
    "l": 76.275
  },
  "oklch": {
    "l": 0.95561,
    "c": 0.13788,
    "h": 114
  },
  "luminance": 0.8918
}

Semantic roles & 50–950 ramp

primary

#EFFB8A

secondary

#5E4FDA

accent

#00E618

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFB8A

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

Preview Lab → · Contrast checker → · Palette generator →