#EFF585#EFF585

#EFF585 is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.2% C 0.136 H 111.4°. Best body text is #000000 at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#EFF585
RGB	rgb(239, 245, 133)
HSL	hsl(63, 85%, 74%)
HSV	hsv(63, 46%, 96%)
CMYK	cmyk(2.4%, 0%, 45.7%, 3.9%)
CIE-LAB	lab(94.03, -17.47, 52.92)
CIE-LCH	lch(94.03, 55.73, 108.27°)
OKLab	oklab(94.25% -0.0496 0.1264)
OKLCH	oklch(94.25% 0.136 111.4)
XYZ	xyz(72.4839, 85.3503, 34.8417)
Luminance	0.8535 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF585 #8B85F5

analogous

#F5C385 #EFF585 #B7F585

triadic

#EFF585 #85EFF5 #F585EF

tetradic

#EFF585 #85F5C3 #8B85F5 #F585B7

square

#EFF585 #85F5C3 #8B85F5 #F585B7

split-complementary

#EFF585 #85B7F5 #C385F5

monochromatic

#E0EC14 #E8F04C #EFF585 #F6FABE #FBFDE3

Accessibility & contrast

On white

1.16

#EFF585 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.07

#EFF585 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF585

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF585	#FFFFFF	#000000	##000000
##EFF585	1.00	1.16	18.07	18.07
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.07	21.00	1.00	1.00
##000000	18.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC7B

Deuteranopia (green-blind)

#FFEF8B

Tritanopia (blue-blind)

#FCE9DB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff585;
/* rgb */ color: rgb(239, 245, 133);
/* oklch */ color: oklch(94.2% 0.136 111.4);

Tailwind

colors: {
  custom: {
    50: '#f6f8ab',
    500: '#eff585',
    950: '#000000',
  },
}

SCSS

$custom: #eff585;
$custom-light: #f6f8ab;
$custom-dark: #000000;

JSON

{
  "hex": "#eff585",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 133
  },
  "hsl": {
    "h": 63.214,
    "s": 84.848,
    "l": 74.118
  },
  "oklch": {
    "l": 0.94248,
    "c": 0.13583,
    "h": 111.4
  },
  "luminance": 0.85349
}

Semantic roles & 50–950 ramp

primary

#EFF585

secondary

#544DD2

accent

#04E110

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF585

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

Preview Lab → · Contrast checker → · Palette generator →