#E4EC57#E4EC57

#E4EC57 is a very light, vivid yellow. Relative luminance 0.772; OKLCH L 91.0% C 0.168 H 112.2°. Best body text is #000000 at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#E4EC57
RGB	rgb(228, 236, 87)
HSL	hsl(63, 80%, 63%)
HSV	hsv(63, 63%, 93%)
CMYK	cmyk(3.4%, 0%, 63.1%, 7.5%)
CIE-LAB	lab(90.40, -21.04, 68.72)
CIE-LCH	lch(90.40, 71.87, 107.02°)
OKLab	oklab(91% -0.0637 0.1557)
OKLCH	oklch(91% 0.168 112.2)
XYZ	xyz(63.7124, 77.1744, 20.5549)
Luminance	0.7717 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EC57 #5F57EC

analogous

#ECA957 #E4EC57 #9AEC57

triadic

#E4EC57 #57E4EC #EC57E4

tetradic

#E4EC57 #57ECA9 #5F57EC #EC579A

square

#E4EC57 #57ECA9 #5F57EC #EC579A

split-complementary

#E4EC57 #579AEC #A957EC

monochromatic

#ACB414 #DBE620 #E4EC57 #EDF28E #F6F8C5

Accessibility & contrast

On white

1.28

#E4EC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.43

#E4EC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EC57

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EC57	#FFFFFF	#000000	##000000
##E4EC57	1.00	1.28	16.43	16.43
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.43	21.00	1.00	1.00
##000000	16.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE243

Deuteranopia (green-blind)

#FDE561

Tritanopia (blue-blind)

#F3DECD

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #e4ec57;
/* rgb */ color: rgb(228, 236, 87);
/* oklch */ color: oklch(91.0% 0.168 112.2);

Tailwind

colors: {
  custom: {
    50: '#f0f28d',
    500: '#e4ec57',
    950: '#000000',
  },
}

SCSS

$custom: #e4ec57;
$custom-light: #f0f28d;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ec57",
  "rgb": {
    "r": 228,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 63.221,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.91001,
    "c": 0.16825,
    "h": 112.2
  },
  "luminance": 0.77173
}

Semantic roles & 50–950 ramp

primary

#E4EC57

secondary

#3A33B4

accent

#0ADC15

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17160D

muted

#85857F

Preview Lab

Preview with #E4EC57

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

Preview Lab → · Contrast checker → · Palette generator →