#E5FE5B#E5FE5B

#E5FE5B is a very light, vivid yellow. Relative luminance 0.883; OKLCH L 94.9% C 0.185 H 117.5°. Best body text is #000000 at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#E5FE5B
RGB	rgb(229, 254, 91)
HSL	hsl(69, 99%, 68%)
HSV	hsv(69, 64%, 100%)
CMYK	cmyk(9.8%, 0%, 64.2%, 0.4%)
CIE-LAB	lab(95.29, -28.91, 72.30)
CIE-LCH	lch(95.29, 77.86, 111.80°)
OKLab	oklab(94.94% -0.0854 0.1638)
OKLCH	oklch(94.94% 0.185 117.5)
XYZ	xyz(69.6446, 88.2977, 23.2698)
Luminance	0.8830 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5FE5B #745BFE

analogous

#FEC55B #E5FE5B #94FE5B

triadic

#E5FE5B #5BE5FE #FE5BE5

tetradic

#E5FE5B #5BFEC5 #745BFE #FE5B94

square

#E5FE5B #5BFEC5 #745BFE #FE5B94

split-complementary

#E5FE5B #5B94FE #C55BFE

monochromatic

#BCDD01 #DBFE1E #E5FE5B #EFFE98 #F8FFD5

Accessibility & contrast

On white

1.13

#E5FE5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.66

#E5FE5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5FE5B

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5FE5B	#FFFFFF	#000000	##000000
##E5FE5B	1.00	1.13	18.66	18.66
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.66	21.00	1.00	1.00
##000000	18.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF145

Deuteranopia (green-blind)

#FFF267

Tritanopia (blue-blind)

#F2F1DD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #e5fe5b;
/* rgb */ color: rgb(229, 254, 91);
/* oklch */ color: oklch(94.9% 0.185 117.5);

Tailwind

colors: {
  custom: {
    50: '#f0fe91',
    500: '#e5fe5b',
    950: '#000000',
  },
}

SCSS

$custom: #e5fe5b;
$custom-light: #f0fe91;
$custom-dark: #000000;

JSON

{
  "hex": "#e5fe5b",
  "rgb": {
    "r": 229,
    "g": 254,
    "b": 91
  },
  "hsl": {
    "h": 69.202,
    "s": 98.788,
    "l": 67.647
  },
  "oklch": {
    "l": 0.94943,
    "c": 0.18474,
    "h": 117.5
  },
  "luminance": 0.88297
}

Semantic roles & 50–950 ramp

primary

#E5FE5B

secondary

#4227D6

accent

#00E623

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E5FE5B

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

Preview Lab → · Contrast checker → · Palette generator →