#ECDF59#ECDF59

#ECDF59 is a very light, vivid yellow. Relative luminance 0.713; OKLCH L 89.0% C 0.153 H 103.8°. Best body text is #000000 at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#ECDF59
RGB	rgb(236, 223, 89)
HSL	hsl(55, 79%, 64%)
HSV	hsv(55, 62%, 93%)
CMYK	cmyk(0%, 5.5%, 62.3%, 7.5%)
CIE-LAB	lab(87.65, -11.29, 65.18)
CIE-LCH	lch(87.65, 66.15, 99.83°)
OKLab	oklab(88.96% -0.0364 0.1484)
OKLCH	oklch(88.96% 0.153 103.8)
XYZ	xyz(62.7853, 71.3318, 19.9104)
Luminance	0.7133 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDF59 #5966EC

analogous

#EC9559 #ECDF59 #AFEC59

triadic

#ECDF59 #59ECDF #DF59EC

tetradic

#ECDF59 #59EC95 #5966EC #EC59AF

square

#ECDF59 #59EC95 #5966EC #EC59AF

split-complementary

#ECDF59 #59AFEC #9559EC

monochromatic

#B6A815 #E6D422 #ECDF59 #F2EA90 #F9F4C7

Accessibility & contrast

On white

1.38

#ECDF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.27

#ECDF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDF59

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDF59	#FFFFFF	#000000	##000000
##ECDF59	1.00	1.38	15.27	15.27
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.27	21.00	1.00	1.00
##000000	15.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D849

Deuteranopia (green-blind)

#F6DF61

Tritanopia (blue-blind)

#FDD1C3

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #ecdf59;
/* rgb */ color: rgb(236, 223, 89);
/* oklch */ color: oklch(89.0% 0.153 103.8);

Tailwind

colors: {
  custom: {
    50: '#f5e88d',
    500: '#ecdf59',
    950: '#000000',
  },
}

SCSS

$custom: #ecdf59;
$custom-light: #f5e88d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdf59",
  "rgb": {
    "r": 236,
    "g": 223,
    "b": 89
  },
  "hsl": {
    "h": 54.694,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.88962,
    "c": 0.15274,
    "h": 103.8
  },
  "luminance": 0.71329
}

Semantic roles & 50–950 ramp

primary

#ECDF59

secondary

#343FB5

accent

#1CDC0A

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #ECDF59

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

Preview Lab → · Contrast checker → · Palette generator →