#E0EF57#E0EF57

#E0EF57 is a very light, vivid yellow. Relative luminance 0.783; OKLCH L 91.3% C 0.172 H 114.7°. Best body text is #000000 at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#E0EF57
RGB	rgb(224, 239, 87)
HSL	hsl(66, 83%, 64%)
HSV	hsv(66, 64%, 94%)
CMYK	cmyk(6.3%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(90.90, -24.08, 69.15)
CIE-LCH	lch(90.90, 73.23, 109.20°)
OKLab	oklab(91.33% -0.072 0.1568)
OKLCH	oklch(91.33% 0.172 114.7)
XYZ	xyz(63.3288, 78.2695, 20.7864)
Luminance	0.7827 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E0EF57 #6657EF

analogous

#EFB257 #E0EF57 #94EF57

triadic

#E0EF57 #57E0EF #EF57E0

tetradic

#E0EF57 #57EFB2 #6657EF #EF5794

square

#E0EF57 #57EFB2 #6657EF #EF5794

split-complementary

#E0EF57 #5794EF #B257EF

monochromatic

#A9BA12 #D6EA1F #E0EF57 #EAF48F #F5FAC7

Accessibility & contrast

On white

1.26

#E0EF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.65

#E0EF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E0EF57

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E0EF57	#FFFFFF	#000000	##000000
##E0EF57	1.00	1.26	16.65	16.65
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.65	21.00	1.00	1.00
##000000	16.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE443

Deuteranopia (green-blind)

#FEE661

Tritanopia (blue-blind)

#EEE2D0

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e0ef57;
/* rgb */ color: rgb(224, 239, 87);
/* oklch */ color: oklch(91.3% 0.172 114.7);

Tailwind

colors: {
  custom: {
    50: '#edf48d',
    500: '#e0ef57',
    950: '#000000',
  },
}

SCSS

$custom: #e0ef57;
$custom-light: #edf48d;
$custom-dark: #000000;

JSON

{
  "hex": "#e0ef57",
  "rgb": {
    "r": 224,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 65.921,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.91328,
    "c": 0.17249,
    "h": 114.7
  },
  "luminance": 0.78268
}

Semantic roles & 50–950 ramp

primary

#E0EF57

secondary

#3F31B9

accent

#06DF1C

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E0EF57

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

Preview Lab → · Contrast checker → · Palette generator →