#EEFB66#EEFB66

#EEFB66 is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.1% C 0.171 H 113.8°. Best body text is #000000 at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#EEFB66
RGB	rgb(238, 251, 102)
HSL	hsl(65, 95%, 69%)
HSV	hsv(65, 59%, 98%)
CMYK	cmyk(5.2%, 0%, 59.4%, 1.6%)
CIE-LAB	lab(95.22, -23.26, 68.03)
CIE-LCH	lch(95.22, 71.89, 108.87°)
OKLab	oklab(95.07% -0.069 0.1561)
OKLCH	oklch(95.07% 0.171 113.8)
XYZ	xyz(72.1570, 88.1321, 25.7779)
Luminance	0.8813 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEFB66 #7366FB

analogous

#FBBE66 #EEFB66 #A4FB66

triadic

#EEFB66 #66EEFB #FB66EE

tetradic

#EEFB66 #66FBBE #7366FB #FB66A4

square

#EEFB66 #66FBBE #7366FB #FB66A4

split-complementary

#EEFB66 #66A4FB #BE66FB

monochromatic

#CEE106 #E7F92A #EEFB66 #F5FDA2 #FBFEDD

Accessibility & contrast

On white

1.13

#EEFB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.63

#EEFB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEFB66

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEFB66	#FFFFFF	#000000	##000000
##EEFB66	1.00	1.13	18.63	18.63
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.63	21.00	1.00	1.00
##000000	18.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF055

Deuteranopia (green-blind)

#FFF36F

Tritanopia (blue-blind)

#FCEDDB

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eefb66;
/* rgb */ color: rgb(238, 251, 102);
/* oklch */ color: oklch(95.1% 0.171 113.8);

Tailwind

colors: {
  custom: {
    50: '#f6fc97',
    500: '#eefb66',
    950: '#000000',
  },
}

SCSS

$custom: #eefb66;
$custom-light: #f6fc97;
$custom-dark: #000000;

JSON

{
  "hex": "#eefb66",
  "rgb": {
    "r": 238,
    "g": 251,
    "b": 102
  },
  "hsl": {
    "h": 65.235,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.95073,
    "c": 0.17063,
    "h": 113.8
  },
  "luminance": 0.88131
}

Semantic roles & 50–950 ramp

primary

#EEFB66

secondary

#3E30D5

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EEFB66

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

Preview Lab → · Contrast checker → · Palette generator →