#EEFF63#EEFF63

#EEFF63 is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 95.9% C 0.177 H 115.1°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#EEFF63
RGB	rgb(238, 255, 99)
HSL	hsl(67, 100%, 69%)
HSV	hsv(67, 61%, 100%)
CMYK	cmyk(6.7%, 0%, 61.2%, 0%)
CIE-LAB	lab(96.24, -25.35, 70.36)
CIE-LCH	lch(96.24, 74.79, 109.81°)
OKLab	oklab(95.89% -0.0751 0.1606)
OKLCH	oklch(95.89% 0.177 115.1)
XYZ	xyz(73.2737, 90.5991, 25.4294)
Luminance	0.9060 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEFF63 #7463FF

analogous

#FFC263 #EEFF63 #A0FF63

triadic

#EEFF63 #63EEFF #FF63EE

tetradic

#EEFF63 #63FFC2 #7463FF #FF63A0

square

#EEFF63 #63FFC2 #7463FF #FF63A0

split-complementary

#EEFF63 #63A0FF #C263FF

monochromatic

#CEE800 #E7FF26 #EEFF63 #F5FFA0 #FBFFDD

Accessibility & contrast

On white

1.10

#EEFF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#EEFF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEFF63

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEFF63	#FFFFFF	#000000	##000000
##EEFF63	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF350

Deuteranopia (green-blind)

#FFF66D

Tritanopia (blue-blind)

#FCF1DE

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #eeff63;
/* rgb */ color: rgb(238, 255, 99);
/* oklch */ color: oklch(95.9% 0.177 115.1);

Tailwind

colors: {
  custom: {
    50: '#f7ff96',
    500: '#eeff63',
    950: '#000000',
  },
}

SCSS

$custom: #eeff63;
$custom-light: #f7ff96;
$custom-dark: #000000;

JSON

{
  "hex": "#eeff63",
  "rgb": {
    "r": 238,
    "g": 255,
    "b": 99
  },
  "hsl": {
    "h": 66.538,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.95889,
    "c": 0.17733,
    "h": 115.1
  },
  "luminance": 0.90598
}

Semantic roles & 50–950 ramp

primary

#EEFF63

secondary

#3F2CDA

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EEFF63

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

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