#EFFB84#EFFB84

#EFFB84 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.5% C 0.144 H 113.9°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB84
RGB	rgb(239, 251, 132)
HSL	hsl(66, 94%, 75%)
HSV	hsv(66, 47%, 98%)
CMYK	cmyk(4.8%, 0%, 47.4%, 1.6%)
CIE-LAB	lab(95.59, -20.46, 55.26)
CIE-LCH	lch(95.59, 58.93, 110.32°)
OKLab	oklab(95.48% -0.0582 0.1315)
OKLCH	oklch(95.48% 0.144 113.9)
XYZ	xyz(74.2598, 89.0121, 35.0944)
Luminance	0.8901 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB84 #9084FB

analogous

#FBCB84 #EFFB84 #B4FB84

triadic

#EFFB84 #84EFFB #FB84EF

tetradic

#EFFB84 #84FBCB #9084FB #FB84B4

square

#EFFB84 #84FBCB #9084FB #FB84B4

split-complementary

#EFFB84 #84B4FB #CB84FB

monochromatic

#E0F70D #E7F949 #EFFB84 #F7FDBF #FBFEE1

Accessibility & contrast

On white

1.12

#EFFB84 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#EFFB84 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB84

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB84	#FFFFFF	#000000	##000000
##EFFB84	1.00	1.12	18.80	18.80
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.80	21.00	1.00	1.00
##000000	18.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF17A

Deuteranopia (green-blind)

#FFF48A

Tritanopia (blue-blind)

#FBEFDF

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb84;
/* rgb */ color: rgb(239, 251, 132);
/* oklch */ color: oklch(95.5% 0.144 113.9);

Tailwind

colors: {
  custom: {
    50: '#f6fcaa',
    500: '#effb84',
    950: '#000000',
  },
}

SCSS

$custom: #effb84;
$custom-light: #f6fcaa;
$custom-dark: #000000;

JSON

{
  "hex": "#effb84",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 132
  },
  "hsl": {
    "h": 66.05,
    "s": 93.701,
    "l": 75.098
  },
  "oklch": {
    "l": 0.95482,
    "c": 0.14385,
    "h": 113.9
  },
  "luminance": 0.89011
}

Semantic roles & 50–950 ramp

primary

#EFFB84

secondary

#584AD9

accent

#00E617

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFB84

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

Preview Lab → · Contrast checker → · Palette generator →