#E4F257#E4F257

#E4F257 is a very light, vivid yellow. Relative luminance 0.807; OKLCH L 92.3% C 0.175 H 114.2°. Best body text is #000000 at 17.14:1 contrast (WCAG AA passes).

Color values

HEX	#E4F257
RGB	rgb(228, 242, 87)
HSL	hsl(65, 86%, 65%)
HSV	hsv(65, 64%, 95%)
CMYK	cmyk(5.8%, 0%, 64%, 5.1%)
CIE-LAB	lab(91.99, -23.91, 70.38)
CIE-LCH	lch(91.99, 74.33, 108.76°)
OKLab	oklab(92.27% -0.0717 0.1593)
OKLCH	oklch(92.27% 0.175 114.2)
XYZ	xyz(65.4690, 80.6875, 21.1404)
Luminance	0.8069 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F257 #6557F2

analogous

#F2B257 #E4F257 #97F257

triadic

#E4F257 #57E4F2 #F257E4

tetradic

#E4F257 #57F2B2 #6557F2 #F25797

square

#E4F257 #57F2B2 #6557F2 #F25797

split-complementary

#E4F257 #5797F2 #B257F2

monochromatic

#B0C00F #DBEE1E #E4F257 #EDF690 #F6FBC9

Accessibility & contrast

On white

1.23

#E4F257 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.14

#E4F257 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F257

17.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F257	#FFFFFF	#000000	##000000
##E4F257	1.00	1.23	17.14	17.14
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.14	21.00	1.00	1.00
##000000	17.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE742

Deuteranopia (green-blind)

#FFEA62

Tritanopia (blue-blind)

#F2E5D2

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #e4f257;
/* rgb */ color: rgb(228, 242, 87);
/* oklch */ color: oklch(92.3% 0.175 114.2);

Tailwind

colors: {
  custom: {
    50: '#f0f68e',
    500: '#e4f257',
    950: '#000000',
  },
}

SCSS

$custom: #e4f257;
$custom-light: #f0f68e;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f257",
  "rgb": {
    "r": 228,
    "g": 242,
    "b": 87
  },
  "hsl": {
    "h": 65.419,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.92274,
    "c": 0.17465,
    "h": 114.2
  },
  "luminance": 0.80686
}

Semantic roles & 50–950 ramp

primary

#E4F257

secondary

#3C30BE

accent

#03E217

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E4F257

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

Preview Lab → · Contrast checker → · Palette generator →