#EEF666#EEF666

#EEF666 is a very light, vivid yellow. Relative luminance 0.850; OKLCH L 94.0% C 0.165 H 112.1°. Best body text is #000000 at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#EEF666
RGB	rgb(238, 246, 102)
HSL	hsl(63, 89%, 68%)
HSV	hsv(63, 59%, 96%)
CMYK	cmyk(3.3%, 0%, 58.5%, 3.5%)
CIE-LAB	lab(93.90, -20.87, 66.59)
CIE-LCH	lch(93.90, 69.79, 107.40°)
OKLab	oklab(94.02% -0.0623 0.153)
OKLCH	oklch(94.02% 0.165 112.1)
XYZ	xyz(70.6157, 85.0495, 25.2641)
Luminance	0.8505 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEF666 #6E66F6

analogous

#F6B666 #EEF666 #A6F666

triadic

#EEF666 #66EEF6 #F666EE

tetradic

#EEF666 #66F6B6 #6E66F6 #F666A6

square

#EEF666 #66F6B6 #6E66F6 #F666A6

split-complementary

#EEF666 #66A6F6 #B666F6

monochromatic

#CAD50D #E8F32C #EEF666 #F4F9A0 #FBFDDA

Accessibility & contrast

On white

1.17

#EEF666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.01

#EEF666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEF666

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEF666	#FFFFFF	#000000	##000000
##EEF666	1.00	1.17	18.01	18.01
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.01	21.00	1.00	1.00
##000000	18.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC56

Deuteranopia (green-blind)

#FFEF6F

Tritanopia (blue-blind)

#FDE8D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eef666;
/* rgb */ color: rgb(238, 246, 102);
/* oklch */ color: oklch(94.0% 0.165 112.1);

Tailwind

colors: {
  custom: {
    50: '#f6f997',
    500: '#eef666',
    950: '#000000',
  },
}

SCSS

$custom: #eef666;
$custom-light: #f6f997;
$custom-dark: #000000;

JSON

{
  "hex": "#eef666",
  "rgb": {
    "r": 238,
    "g": 246,
    "b": 102
  },
  "hsl": {
    "h": 63.333,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.94024,
    "c": 0.1652,
    "h": 112.1
  },
  "luminance": 0.85048
}

Semantic roles & 50–950 ramp

primary

#EEF666

secondary

#3A31CF

accent

#00E60D

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EEF666

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

Preview Lab → · Contrast checker → · Palette generator →