#E9F34E#E9F34E

#E9F34E is a very light, vivid yellow. Relative luminance 0.820; OKLCH L 92.8% C 0.180 H 112.8°. Best body text is #000000 at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#E9F34E
RGB	rgb(233, 243, 78)
HSL	hsl(64, 87%, 63%)
HSV	hsv(64, 68%, 95%)
CMYK	cmyk(4.1%, 0%, 67.9%, 4.7%)
CIE-LAB	lab(92.56, -22.89, 74.45)
CIE-LCH	lch(92.56, 77.89, 107.09°)
OKLab	oklab(92.8% -0.07 0.1663)
OKLCH	oklch(92.8% 0.18 112.8)
XYZ	xyz(67.0320, 81.9763, 19.4982)
Luminance	0.8197 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F34E #584EF3

analogous

#F3AA4E #E9F34E #97F34E

triadic

#E9F34E #4EE9F3 #F34EE9

tetradic

#E9F34E #4EF3AA #584EF3 #F34E97

square

#E9F34E #4EF3AA #584EF3 #F34E97

split-complementary

#E9F34E #4E97F3 #AA4EF3

monochromatic

#AFBA0D #E2EF15 #E9F34E #F0F787 #F7FBC1

Accessibility & contrast

On white

1.21

#E9F34E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.40

#E9F34E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F34E

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F34E	#FFFFFF	#000000	##000000
##E9F34E	1.00	1.21	17.40	17.40
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.40	21.00	1.00	1.00
##000000	17.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE834

Deuteranopia (green-blind)

#FFEB5A

Tritanopia (blue-blind)

#F8E5D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #e9f34e;
/* rgb */ color: rgb(233, 243, 78);
/* oklch */ color: oklch(92.8% 0.180 112.8);

Tailwind

colors: {
  custom: {
    50: '#f4f689',
    500: '#e9f34e',
    950: '#000000',
  },
}

SCSS

$custom: #e9f34e;
$custom-light: #f4f689;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f34e",
  "rgb": {
    "r": 233,
    "g": 243,
    "b": 78
  },
  "hsl": {
    "h": 63.636,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.92803,
    "c": 0.18046,
    "h": 112.8
  },
  "luminance": 0.81975
}

Semantic roles & 50–950 ramp

primary

#E9F34E

secondary

#352DB9

accent

#02E40F

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E9F34E

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

Preview Lab → · Contrast checker → · Palette generator →