#EEFF59#EEFF59

#EEFF59 is a very light, vivid yellow. Relative luminance 0.904; OKLCH L 95.8% C 0.184 H 115.0°. Best body text is #000000 at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#EEFF59
RGB	rgb(238, 255, 89)
HSL	hsl(66, 100%, 67%)
HSV	hsv(66, 65%, 100%)
CMYK	cmyk(6.7%, 0%, 65.1%, 0%)
CIE-LAB	lab(96.17, -25.97, 74.17)
CIE-LCH	lch(96.17, 78.59, 109.29°)
OKLab	oklab(95.81% -0.0778 0.1673)
OKLCH	oklch(95.81% 0.185 115)
XYZ	xyz(72.8249, 90.4196, 23.0657)
Luminance	0.9042 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEFF59 #6A59FF

analogous

#FFBD59 #EEFF59 #9BFF59

triadic

#EEFF59 #59EEFF #FF59EE

tetradic

#EEFF59 #59FFBD #6A59FF #FF599B

square

#EEFF59 #59FFBD #6A59FF #FF599B

split-complementary

#EEFF59 #599BFF #BD59FF

monochromatic

#C7DE00 #E8FF1C #EEFF59 #F4FF96 #FBFFD3

Accessibility & contrast

On white

1.10

#EEFF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.08

#EEFF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEFF59

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEFF59	#FFFFFF	#000000	##000000
##EEFF59	1.00	1.10	19.08	19.08
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.08	21.00	1.00	1.00
##000000	19.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF341

Deuteranopia (green-blind)

#FFF565

Tritanopia (blue-blind)

#FDF1DD

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #eeff59;
/* rgb */ color: rgb(238, 255, 89);
/* oklch */ color: oklch(95.8% 0.184 115.0);

Tailwind

colors: {
  custom: {
    50: '#f7ff90',
    500: '#eeff59',
    950: '#000000',
  },
}

SCSS

$custom: #eeff59;
$custom-light: #f7ff90;
$custom-dark: #000000;

JSON

{
  "hex": "#eeff59",
  "rgb": {
    "r": 238,
    "g": 255,
    "b": 89
  },
  "hsl": {
    "h": 66.145,
    "s": 100,
    "l": 67.451
  },
  "oklch": {
    "l": 0.95806,
    "c": 0.1845,
    "h": 115
  },
  "luminance": 0.90418
}

Semantic roles & 50–950 ramp

primary

#EEFF59

secondary

#3826D6

accent

#00E618

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EEFF59

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

Preview Lab → · Contrast checker → · Palette generator →