#ECDF57#ECDF57

#ECDF57 is a very light, vivid yellow. Relative luminance 0.713; OKLCH L 88.9% C 0.154 H 103.9°. Best body text is #000000 at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#ECDF57
RGB	rgb(236, 223, 87)
HSL	hsl(55, 80%, 63%)
HSV	hsv(55, 63%, 93%)
CMYK	cmyk(0%, 5.5%, 63.1%, 7.5%)
CIE-LAB	lab(87.63, -11.42, 65.99)
CIE-LCH	lch(87.63, 66.97, 99.82°)
OKLab	oklab(88.94% -0.0369 0.1498)
OKLCH	oklch(88.94% 0.154 103.9)
XYZ	xyz(62.7024, 71.2987, 19.4741)
Luminance	0.7130 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDF57 #5764EC

analogous

#EC9457 #ECDF57 #AEEC57

triadic

#ECDF57 #57ECDF #DF57EC

tetradic

#ECDF57 #57EC94 #5764EC #EC57AE

square

#ECDF57 #57EC94 #5764EC #EC57AE

split-complementary

#ECDF57 #57AEEC #9457EC

monochromatic

#B4A614 #E6D520 #ECDF57 #F2E98E #F8F4C5

Accessibility & contrast

On white

1.38

#ECDF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.26

#ECDF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDF57

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDF57	#FFFFFF	#000000	##000000
##ECDF57	1.00	1.38	15.26	15.26
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.26	21.00	1.00	1.00
##000000	15.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D846

Deuteranopia (green-blind)

#F6DF5F

Tritanopia (blue-blind)

#FDD1C3

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #ecdf57;
/* rgb */ color: rgb(236, 223, 87);
/* oklch */ color: oklch(88.9% 0.154 103.9);

Tailwind

colors: {
  custom: {
    50: '#f5e88c',
    500: '#ecdf57',
    950: '#000000',
  },
}

SCSS

$custom: #ecdf57;
$custom-light: #f5e88c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdf57",
  "rgb": {
    "r": 236,
    "g": 223,
    "b": 87
  },
  "hsl": {
    "h": 54.765,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.88944,
    "c": 0.15426,
    "h": 103.9
  },
  "luminance": 0.71296
}

Semantic roles & 50–950 ramp

primary

#ECDF57

secondary

#333EB4

accent

#1CDC0A

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #ECDF57

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

Preview Lab → · Contrast checker → · Palette generator →