#EFF586#EFF586

#EFF586 is a very light, vivid yellow. Relative luminance 0.854; OKLCH L 94.3% C 0.135 H 111.4°. Best body text is #000000 at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#EFF586
RGB	rgb(239, 245, 134)
HSL	hsl(63, 85%, 74%)
HSV	hsv(63, 45%, 96%)
CMYK	cmyk(2.4%, 0%, 45.3%, 3.9%)
CIE-LAB	lab(94.05, -17.38, 52.46)
CIE-LCH	lch(94.05, 55.26, 108.33°)
OKLab	oklab(94.26% -0.0493 0.1255)
OKLCH	oklch(94.26% 0.135 111.4)
XYZ	xyz(72.5533, 85.3781, 35.2072)
Luminance	0.8538 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF586 #8C86F5

analogous

#F5C486 #EFF586 #B8F586

triadic

#EFF586 #86EFF5 #F586EF

tetradic

#EFF586 #86F5C4 #8C86F5 #F586B8

square

#EFF586 #86F5C4 #8C86F5 #F586B8

split-complementary

#EFF586 #86B8F5 #C486F5

monochromatic

#E0EC15 #E8F04D #EFF586 #F6FABF #FBFDE3

Accessibility & contrast

On white

1.16

#EFF586 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.08

#EFF586 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF586

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF586	#FFFFFF	#000000	##000000
##EFF586	1.00	1.16	18.08	18.08
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.08	21.00	1.00	1.00
##000000	18.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC7D

Deuteranopia (green-blind)

#FFEF8B

Tritanopia (blue-blind)

#FCE9DB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff586;
/* rgb */ color: rgb(239, 245, 134);
/* oklch */ color: oklch(94.3% 0.135 111.4);

Tailwind

colors: {
  custom: {
    50: '#f6f8ab',
    500: '#eff586',
    950: '#000000',
  },
}

SCSS

$custom: #eff586;
$custom-light: #f6f8ab;
$custom-dark: #000000;

JSON

{
  "hex": "#eff586",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 134
  },
  "hsl": {
    "h": 63.243,
    "s": 84.733,
    "l": 74.314
  },
  "oklch": {
    "l": 0.94261,
    "c": 0.13482,
    "h": 111.4
  },
  "luminance": 0.85377
}

Semantic roles & 50–950 ramp

primary

#EFF586

secondary

#554ED2

accent

#04E110

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF586

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

Preview Lab → · Contrast checker → · Palette generator →