#E5EC57#E5EC57

#E5EC57 is a very light, vivid yellow. Relative luminance 0.773; OKLCH L 91.1% C 0.168 H 111.9°. Best body text is #000000 at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#E5EC57
RGB	rgb(229, 236, 87)
HSL	hsl(63, 80%, 63%)
HSV	hsv(63, 63%, 93%)
CMYK	cmyk(3%, 0%, 63.1%, 7.5%)
CIE-LAB	lab(90.48, -20.64, 68.82)
CIE-LCH	lch(90.48, 71.85, 106.69°)
OKLab	oklab(91.08% -0.0626 0.1559)
OKLCH	oklch(91.08% 0.168 111.9)
XYZ	xyz(64.0307, 77.3385, 20.5698)
Luminance	0.7734 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5EC57 #5E57EC

analogous

#ECA857 #E5EC57 #9AEC57

triadic

#E5EC57 #57E5EC #EC57E5

tetradic

#E5EC57 #57ECA8 #5E57EC #EC579A

square

#E5EC57 #57ECA8 #5E57EC #EC579A

split-complementary

#E5EC57 #579AEC #A857EC

monochromatic

#ADB414 #DCE620 #E5EC57 #EEF28E #F6F8C5

Accessibility & contrast

On white

1.28

#E5EC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.47

#E5EC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5EC57

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5EC57	#FFFFFF	#000000	##000000
##E5EC57	1.00	1.28	16.47	16.47
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.47	21.00	1.00	1.00
##000000	16.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE243

Deuteranopia (green-blind)

#FEE661

Tritanopia (blue-blind)

#F4DECD

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #e5ec57;
/* rgb */ color: rgb(229, 236, 87);
/* oklch */ color: oklch(91.1% 0.168 111.9);

Tailwind

colors: {
  custom: {
    50: '#f0f28d',
    500: '#e5ec57',
    950: '#000000',
  },
}

SCSS

$custom: #e5ec57;
$custom-light: #f0f28d;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ec57",
  "rgb": {
    "r": 229,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 62.819,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.91079,
    "c": 0.16803,
    "h": 111.9
  },
  "luminance": 0.77337
}

Semantic roles & 50–950 ramp

primary

#E5EC57

secondary

#3933B4

accent

#0ADC13

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17160D

muted

#85857F

Preview Lab

Preview with #E5EC57

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

Preview Lab → · Contrast checker → · Palette generator →