#EFF584#EFF584

#EFF584 is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.2% C 0.137 H 111.4°. Best body text is #000000 at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#EFF584
RGB	rgb(239, 245, 132)
HSL	hsl(63, 85%, 74%)
HSV	hsv(63, 46%, 96%)
CMYK	cmyk(2.4%, 0%, 46.1%, 3.9%)
CIE-LAB	lab(94.02, -17.57, 53.37)
CIE-LCH	lch(94.02, 56.19, 108.22°)
OKLab	oklab(94.23% -0.05 0.1274)
OKLCH	oklch(94.23% 0.137 111.4)
XYZ	xyz(72.4151, 85.3228, 34.4795)
Luminance	0.8532 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF584 #8A84F5

analogous

#F5C384 #EFF584 #B7F584

triadic

#EFF584 #84EFF5 #F584EF

tetradic

#EFF584 #84F5C3 #8A84F5 #F584B7

square

#EFF584 #84F5C3 #8A84F5 #F584B7

split-complementary

#EFF584 #84B7F5 #C384F5

monochromatic

#E0EB13 #E8F04B #EFF584 #F6FABD #FBFDE3

Accessibility & contrast

On white

1.16

#EFF584 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.06

#EFF584 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF584

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF584	#FFFFFF	#000000	##000000
##EFF584	1.00	1.16	18.06	18.06
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.06	21.00	1.00	1.00
##000000	18.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC7A

Deuteranopia (green-blind)

#FFEF8A

Tritanopia (blue-blind)

#FCE9DB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff584;
/* rgb */ color: rgb(239, 245, 132);
/* oklch */ color: oklch(94.2% 0.137 111.4);

Tailwind

colors: {
  custom: {
    50: '#f6f8aa',
    500: '#eff584',
    950: '#000000',
  },
}

SCSS

$custom: #eff584;
$custom-light: #f6f8aa;
$custom-dark: #000000;

JSON

{
  "hex": "#eff584",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 132
  },
  "hsl": {
    "h": 63.186,
    "s": 84.962,
    "l": 73.922
  },
  "oklch": {
    "l": 0.94234,
    "c": 0.13682,
    "h": 111.4
  },
  "luminance": 0.85321
}

Semantic roles & 50–950 ramp

primary

#EFF584

secondary

#534CD1

accent

#04E110

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF584

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

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