#E9FE5B#E9FE5B

#E9FE5B is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.2% C 0.183 H 116.3°. Best body text is #000000 at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#E9FE5B
RGB	rgb(233, 254, 91)
HSL	hsl(68, 99%, 68%)
HSV	hsv(68, 64%, 100%)
CMYK	cmyk(8.3%, 0%, 64.2%, 0.4%)
CIE-LAB	lab(95.57, -27.35, 72.68)
CIE-LCH	lch(95.57, 77.65, 110.62°)
OKLab	oklab(95.24% -0.0812 0.1645)
OKLCH	oklch(95.24% 0.183 116.3)
XYZ	xyz(70.9360, 88.9635, 23.3303)
Luminance	0.8896 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9FE5B #705BFE

analogous

#FEC15B #E9FE5B #97FE5B

triadic

#E9FE5B #5BE9FE #FE5BE9

tetradic

#E9FE5B #5BFEC1 #705BFE #FE5B97

square

#E9FE5B #5BFEC1 #705BFE #FE5B97

split-complementary

#E9FE5B #5B97FE #C15BFE

monochromatic

#C1DD01 #E1FE1E #E9FE5B #F1FE98 #F9FFD5

Accessibility & contrast

On white

1.12

#E9FE5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.79

#E9FE5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9FE5B

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9FE5B	#FFFFFF	#000000	##000000
##E9FE5B	1.00	1.12	18.79	18.79
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.79	21.00	1.00	1.00
##000000	18.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF145

Deuteranopia (green-blind)

#FFF367

Tritanopia (blue-blind)

#F7F0DD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #e9fe5b;
/* rgb */ color: rgb(233, 254, 91);
/* oklch */ color: oklch(95.2% 0.183 116.3);

Tailwind

colors: {
  custom: {
    50: '#f3fe91',
    500: '#e9fe5b',
    950: '#000000',
  },
}

SCSS

$custom: #e9fe5b;
$custom-light: #f3fe91;
$custom-dark: #000000;

JSON

{
  "hex": "#e9fe5b",
  "rgb": {
    "r": 233,
    "g": 254,
    "b": 91
  },
  "hsl": {
    "h": 67.73,
    "s": 98.788,
    "l": 67.647
  },
  "oklch": {
    "l": 0.95236,
    "c": 0.18349,
    "h": 116.3
  },
  "luminance": 0.88963
}

Semantic roles & 50–950 ramp

primary

#E9FE5B

secondary

#3E27D6

accent

#00E61E

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9FE5B

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

Preview Lab → · Contrast checker → · Palette generator →