#EEFB63#EEFB63

#EEFB63 is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.0% C 0.173 H 113.8°. Best body text is #000000 at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#EEFB63
RGB	rgb(238, 251, 99)
HSL	hsl(65, 95%, 69%)
HSV	hsv(65, 61%, 98%)
CMYK	cmyk(5.2%, 0%, 60.6%, 1.6%)
CIE-LAB	lab(95.19, -23.46, 69.23)
CIE-LCH	lch(95.19, 73.10, 108.72°)
OKLab	oklab(95.05% -0.0698 0.1582)
OKLCH	oklch(95.05% 0.173 113.8)
XYZ	xyz(72.0109, 88.0737, 25.0084)
Luminance	0.8807 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEFB63 #7063FB

analogous

#FBBC63 #EEFB63 #A2FB63

triadic

#EEFB63 #63EEFB #FB63EE

tetradic

#EEFB63 #63FBBC #7063FB #FB63A2

square

#EEFB63 #63FBBC #7063FB #FB63A2

split-complementary

#EEFB63 #63A2FB #BC63FB

monochromatic

#CBDE06 #E7F927 #EEFB63 #F5FD9F #FBFEDA

Accessibility & contrast

On white

1.13

#EEFB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.61

#EEFB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEFB63

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEFB63	#FFFFFF	#000000	##000000
##EEFB63	1.00	1.13	18.61	18.61
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.61	21.00	1.00	1.00
##000000	18.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF051

Deuteranopia (green-blind)

#FFF36D

Tritanopia (blue-blind)

#FCEDDB

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eefb63;
/* rgb */ color: rgb(238, 251, 99);
/* oklch */ color: oklch(95.0% 0.173 113.8);

Tailwind

colors: {
  custom: {
    50: '#f6fc95',
    500: '#eefb63',
    950: '#000000',
  },
}

SCSS

$custom: #eefb63;
$custom-light: #f6fc95;
$custom-dark: #000000;

JSON

{
  "hex": "#eefb63",
  "rgb": {
    "r": 238,
    "g": 251,
    "b": 99
  },
  "hsl": {
    "h": 65.132,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.95046,
    "c": 0.17296,
    "h": 113.8
  },
  "luminance": 0.88072
}

Semantic roles & 50–950 ramp

primary

#EEFB63

secondary

#3C2DD5

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EEFB63

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

Preview Lab → · Contrast checker → · Palette generator →