#E5FF59#E5FF59

#E5FF59 is a very light, vivid yellow. Relative luminance 0.889; OKLCH L 95.1% C 0.187 H 117.8°. Best body text is #000000 at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#E5FF59
RGB	rgb(229, 255, 89)
HSL	hsl(69, 100%, 67%)
HSV	hsv(69, 65%, 100%)
CMYK	cmyk(10.2%, 0%, 65.1%, 0%)
CIE-LAB	lab(95.54, -29.50, 73.32)
CIE-LCH	lch(95.54, 79.03, 111.92°)
OKLab	oklab(95.14% -0.0872 0.1657)
OKLCH	oklch(95.14% 0.187 117.8)
XYZ	xyz(69.8777, 88.9000, 22.9275)
Luminance	0.8890 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5FF59 #7359FF

analogous

#FFC659 #E5FF59 #92FF59

triadic

#E5FF59 #59E5FF #FF59E5

tetradic

#E5FF59 #59FFC6 #7359FF #FF5992

square

#E5FF59 #59FFC6 #7359FF #FF5992

split-complementary

#E5FF59 #5992FF #C659FF

monochromatic

#BBDE00 #DBFF1C #E5FF59 #EFFF96 #F8FFD3

Accessibility & contrast

On white

1.12

#E5FF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.78

#E5FF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5FF59

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5FF59	#FFFFFF	#000000	##000000
##E5FF59	1.00	1.12	18.78	18.78
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.78	21.00	1.00	1.00
##000000	18.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF242

Deuteranopia (green-blind)

#FFF365

Tritanopia (blue-blind)

#F2F2DD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #e5ff59;
/* rgb */ color: rgb(229, 255, 89);
/* oklch */ color: oklch(95.1% 0.187 117.8);

Tailwind

colors: {
  custom: {
    50: '#f1ff90',
    500: '#e5ff59',
    950: '#000000',
  },
}

SCSS

$custom: #e5ff59;
$custom-light: #f1ff90;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ff59",
  "rgb": {
    "r": 229,
    "g": 255,
    "b": 89
  },
  "hsl": {
    "h": 69.398,
    "s": 100,
    "l": 67.451
  },
  "oklch": {
    "l": 0.95141,
    "c": 0.18724,
    "h": 117.8
  },
  "luminance": 0.88899
}

Semantic roles & 50–950 ramp

primary

#E5FF59

secondary

#4126D6

accent

#00E624

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17180D

muted

#85867F

Preview Lab

Preview with #E5FF59

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

Preview Lab → · Contrast checker → · Palette generator →