#E9FF49#E9FF49

#E9FF49 is a very light, vivid yellow. Relative luminance 0.893; OKLCH L 95.3% C 0.196 H 116.3°. Best body text is #000000 at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#E9FF49
RGB	rgb(233, 255, 73)
HSL	hsl(67, 100%, 64%)
HSV	hsv(67, 71%, 100%)
CMYK	cmyk(8.6%, 0%, 71.4%, 0%)
CIE-LAB	lab(95.72, -28.78, 79.26)
CIE-LCH	lch(95.72, 84.32, 109.96°)
OKLab	oklab(95.32% -0.0868 0.1757)
OKLCH	oklch(95.32% 0.196 116.3)
XYZ	xyz(70.5687, 89.3257, 19.8261)
Luminance	0.8932 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9FF49 #5F49FF

analogous

#FFBA49 #E9FF49 #8EFF49

triadic

#E9FF49 #49E9FF #FF49E9

tetradic

#E9FF49 #49FFBA #5F49FF #FF498E

square

#E9FF49 #49FFBA #5F49FF #FF498E

split-complementary

#E9FF49 #498EFF #BA49FF

monochromatic

#B5CE00 #E2FF0C #E9FF49 #F0FF86 #F8FFC3

Accessibility & contrast

On white

1.11

#E9FF49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.86

#E9FF49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9FF49

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9FF49	#FFFFFF	#000000	##000000
##E9FF49	1.00	1.11	18.86	18.86
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.86	21.00	1.00	1.00
##000000	18.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF225

Deuteranopia (green-blind)

#FFF458

Tritanopia (blue-blind)

#F8F1DC

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #e9ff49;
/* rgb */ color: rgb(233, 255, 73);
/* oklch */ color: oklch(95.3% 0.196 116.3);

Tailwind

colors: {
  custom: {
    50: '#f4ff87',
    500: '#e9ff49',
    950: '#000000',
  },
}

SCSS

$custom: #e9ff49;
$custom-light: #f4ff87;
$custom-dark: #000000;

JSON

{
  "hex": "#e9ff49",
  "rgb": {
    "r": 233,
    "g": 255,
    "b": 73
  },
  "hsl": {
    "h": 67.253,
    "s": 100,
    "l": 64.314
  },
  "oklch": {
    "l": 0.95321,
    "c": 0.19595,
    "h": 116.3
  },
  "luminance": 0.89325
}

Semantic roles & 50–950 ramp

primary

#E9FF49

secondary

#3723C9

accent

#00E61C

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #E9FF49

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

Preview Lab → · Contrast checker → · Palette generator →