#E9FC4B#E9FC4B

#E9FC4B is a very light, vivid yellow. Relative luminance 0.875; OKLCH L 94.7% C 0.192 H 115.5°. Best body text is #000000 at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#E9FC4B
RGB	rgb(233, 252, 75)
HSL	hsl(66, 97%, 64%)
HSV	hsv(66, 70%, 99%)
CMYK	cmyk(7.5%, 0%, 70.2%, 1.2%)
CIE-LAB	lab(94.93, -27.29, 77.83)
CIE-LCH	lch(94.93, 82.47, 109.32°)
OKLab	oklab(94.69% -0.0825 0.173)
OKLCH	oklch(94.69% 0.192 115.5)
XYZ	xyz(69.6865, 87.4536, 19.8645)
Luminance	0.8745 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9FC4B #5E4BFC

analogous

#FCB74B #E9FC4B #91FC4B

triadic

#E9FC4B #4BE9FC #FC4BE9

tetradic

#E9FC4B #4BFCB7 #5E4BFC #FC4B91

square

#E9FC4B #4BFCB7 #5E4BFC #FC4B91

split-complementary

#E9FC4B #4B91FC #B74BFC

monochromatic

#B4C903 #E2FB0F #E9FC4B #F0FD87 #F8FEC3

Accessibility & contrast

On white

1.14

#E9FC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.49

#E9FC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9FC4B

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9FC4B	#FFFFFF	#000000	##000000
##E9FC4B	1.00	1.14	18.49	18.49
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.49	21.00	1.00	1.00
##000000	18.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF2B

Deuteranopia (green-blind)

#FFF259

Tritanopia (blue-blind)

#F8EEDA

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #e9fc4b;
/* rgb */ color: rgb(233, 252, 75);
/* oklch */ color: oklch(94.7% 0.192 115.5);

Tailwind

colors: {
  custom: {
    50: '#f4fd88',
    500: '#e9fc4b',
    950: '#000000',
  },
}

SCSS

$custom: #e9fc4b;
$custom-light: #f4fd88;
$custom-dark: #000000;

JSON

{
  "hex": "#e9fc4b",
  "rgb": {
    "r": 233,
    "g": 252,
    "b": 75
  },
  "hsl": {
    "h": 66.441,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.94694,
    "c": 0.19165,
    "h": 115.5
  },
  "luminance": 0.87452
}

Semantic roles & 50–950 ramp

primary

#E9FC4B

secondary

#3726C5

accent

#00E619

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #E9FC4B

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

Preview Lab → · Contrast checker → · Palette generator →