#E9FF29#E9FF29

#E9FF29 is a very light, highly saturated yellow. Relative luminance 0.890; OKLCH L 95.2% C 0.210 H 116.1°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#E9FF29
RGB	rgb(233, 255, 41)
HSL	hsl(66, 100%, 58%)
HSV	hsv(66, 84%, 100%)
CMYK	cmyk(8.6%, 0%, 83.9%, 0%)
CIE-LAB	lab(95.58, -29.93, 87.73)
CIE-LCH	lch(95.58, 92.69, 108.84°)
OKLab	oklab(95.17% -0.0922 0.1886)
OKLCH	oklch(95.17% 0.21 116.1)
XYZ	xyz(69.7666, 89.0048, 15.6018)
Luminance	0.8900 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9FF29 #3F29FF

analogous

#FFAA29 #E9FF29 #7EFF29

triadic

#E9FF29 #29E9FF #FF29E9

tetradic

#E9FF29 #29FFAA #3F29FF #FF297E

square

#E9FF29 #29FFAA #3F29FF #FF297E

split-complementary

#E9FF29 #297EFF #AA29FF

monochromatic

#9CAE00 #D3EB00 #E9FF29 #EFFF66 #F6FFA3

Accessibility & contrast

On white

1.12

#E9FF29 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#E9FF29 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9FF29

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9FF29	#FFFFFF	#000000	##000000
##E9FF29	1.00	1.12	18.80	18.80
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.80	21.00	1.00	1.00
##000000	18.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF100

Deuteranopia (green-blind)

#FFF442

Tritanopia (blue-blind)

#F8F0DA

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #e9ff29;
/* rgb */ color: rgb(233, 255, 41);
/* oklch */ color: oklch(95.2% 0.210 116.1);

Tailwind

colors: {
  custom: {
    50: '#f5ff7a',
    500: '#e9ff29',
    950: '#000000',
  },
}

SCSS

$custom: #e9ff29;
$custom-light: #f5ff7a;
$custom-dark: #000000;

JSON

{
  "hex": "#e9ff29",
  "rgb": {
    "r": 233,
    "g": 255,
    "b": 41
  },
  "hsl": {
    "h": 66.168,
    "s": 100,
    "l": 58.039
  },
  "oklch": {
    "l": 0.95171,
    "c": 0.20994,
    "h": 116.1
  },
  "luminance": 0.89004
}

Semantic roles & 50–950 ramp

primary

#E9FF29

secondary

#2D1FAE

accent

#29FF3F

background

#FFFFFB

surface

#FFFFF2

border

#D7D7CC

text

#18170B

muted

#86857E

Preview Lab

Preview with #E9FF29

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

Preview Lab → · Contrast checker → · Palette generator →