#ECD557#ECD557

#ECD557 is a very light, vivid yellow. Relative luminance 0.661; OKLCH L 86.9% C 0.146 H 98.9°. Best body text is #000000 at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#ECD557
RGB	rgb(236, 213, 87)
HSL	hsl(51, 80%, 63%)
HSV	hsv(51, 63%, 93%)
CMYK	cmyk(0%, 9.7%, 63.1%, 7.5%)
CIE-LAB	lab(85.05, -6.40, 63.24)
CIE-LCH	lch(85.05, 63.56, 95.78°)
OKLab	oklab(86.9% -0.0226 0.144)
OKLCH	oklch(86.9% 0.146 98.9)
XYZ	xyz(60.1092, 66.1122, 18.6097)
Luminance	0.6611 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECD557 #576EEC

analogous

#EC8A57 #ECD557 #B8EC57

triadic

#ECD557 #57ECD5 #D557EC

tetradic

#ECD557 #57EC8A #576EEC #EC57B8

square

#ECD557 #57EC8A #576EEC #EC57B8

split-complementary

#ECD557 #57B8EC #8A57EC

monochromatic

#B49C14 #E6C720 #ECD557 #F2E38E #F8F0C5

Accessibility & contrast

On white

1.48

#ECD557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.22

#ECD557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECD557

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECD557	#FFFFFF	#000000	##000000
##ECD557	1.00	1.48	14.22	14.22
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.22	21.00	1.00	1.00
##000000	14.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D048

Deuteranopia (green-blind)

#EED85E

Tritanopia (blue-blind)

#FDC6BA

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #ecd557;
/* rgb */ color: rgb(236, 213, 87);
/* oklch */ color: oklch(86.9% 0.146 98.9);

Tailwind

colors: {
  custom: {
    50: '#f5e18c',
    500: '#ecd557',
    950: '#000000',
  },
}

SCSS

$custom: #ecd557;
$custom-light: #f5e18c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecd557",
  "rgb": {
    "r": 236,
    "g": 213,
    "b": 87
  },
  "hsl": {
    "h": 50.738,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.86898,
    "c": 0.14572,
    "h": 98.9
  },
  "luminance": 0.66109
}

Semantic roles & 50–950 ramp

primary

#ECD557

secondary

#3347B4

accent

#2ADC0A

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #ECD557

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

Preview Lab → · Contrast checker → · Palette generator →