#EEF578#EEF578

#EEF578 is a very light, vivid yellow. Relative luminance 0.848; OKLCH L 94.0% C 0.149 H 111.8°. Best body text is #000000 at 17.97:1 contrast (WCAG AA passes).

Color values

HEX	#EEF578
RGB	rgb(238, 245, 120)
HSL	hsl(63, 86%, 72%)
HSV	hsv(63, 51%, 96%)
CMYK	cmyk(2.9%, 0%, 51%, 3.9%)
CIE-LAB	lab(93.81, -19.02, 58.64)
CIE-LCH	lch(93.81, 61.64, 107.97°)
OKLab	oklab(94.01% -0.0552 0.1379)
OKLCH	oklch(94.01% 0.149 111.8)
XYZ	xyz(71.3039, 84.8394, 30.3851)
Luminance	0.8484 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEF578 #7F78F5

analogous

#F5BE78 #EEF578 #B0F578

triadic

#EEF578 #78EEF5 #F578EE

tetradic

#EEF578 #78F5BE #7F78F5 #F578B0

square

#EEF578 #78F5BE #7F78F5 #F578B0

split-complementary

#EEF578 #78B0F5 #BE78F5

monochromatic

#D6E211 #E7F13F #EEF578 #F5F9B1 #FBFDE3

Accessibility & contrast

On white

1.17

#EEF578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.97

#EEF578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEF578

17.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEF578	#FFFFFF	#000000	##000000
##EEF578	1.00	1.17	17.97	17.97
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.97	21.00	1.00	1.00
##000000	17.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6C

Deuteranopia (green-blind)

#FFEF7F

Tritanopia (blue-blind)

#FCE8D9

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eef578;
/* rgb */ color: rgb(238, 245, 120);
/* oklch */ color: oklch(94.0% 0.149 111.8);

Tailwind

colors: {
  custom: {
    50: '#f6f8a2',
    500: '#eef578',
    950: '#000000',
  },
}

SCSS

$custom: #eef578;
$custom-light: #f6f8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#eef578",
  "rgb": {
    "r": 238,
    "g": 245,
    "b": 120
  },
  "hsl": {
    "h": 63.36,
    "s": 86.207,
    "l": 71.569
  },
  "oklch": {
    "l": 0.94007,
    "c": 0.14854,
    "h": 111.8
  },
  "luminance": 0.84838
}

Semantic roles & 50–950 ramp

primary

#EEF578

secondary

#4941D0

accent

#03E30F

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EEF578

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

Preview Lab → · Contrast checker → · Palette generator →