#ECF576#ECF576

#ECF576 is a very light, vivid yellow. Relative luminance 0.844; OKLCH L 93.8% C 0.151 H 112.6°. Best body text is #000000 at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#ECF576
RGB	rgb(236, 245, 118)
HSL	hsl(64, 86%, 71%)
HSV	hsv(64, 52%, 96%)
CMYK	cmyk(3.7%, 0%, 51.8%, 3.9%)
CIE-LAB	lab(93.64, -19.96, 59.30)
CIE-LCH	lch(93.64, 62.57, 108.61°)
OKLab	oklab(93.83% -0.058 0.1392)
OKLCH	oklch(93.83% 0.151 112.6)
XYZ	xyz(70.5159, 84.4470, 29.7212)
Luminance	0.8445 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF576 #7F76F5

analogous

#F5BE76 #ECF576 #ACF576

triadic

#ECF576 #76ECF5 #F576EC

tetradic

#ECF576 #76F5BE #7F76F5 #F576AC

square

#ECF576 #76F5BE #7F76F5 #F576AC

split-complementary

#ECF576 #76ACF5 #BE76F5

monochromatic

#D2E010 #E4F13D #ECF576 #F4F9AF #FBFDE2

Accessibility & contrast

On white

1.17

#ECF576 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.89

#ECF576 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF576

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF576	#FFFFFF	#000000	##000000
##ECF576	1.00	1.17	17.89	17.89
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.89	21.00	1.00	1.00
##000000	17.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6A

Deuteranopia (green-blind)

#FFEE7D

Tritanopia (blue-blind)

#F9E8D9

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf576;
/* rgb */ color: rgb(236, 245, 118);
/* oklch */ color: oklch(93.8% 0.151 112.6);

Tailwind

colors: {
  custom: {
    50: '#f4f8a1',
    500: '#ecf576',
    950: '#000000',
  },
}

SCSS

$custom: #ecf576;
$custom-light: #f4f8a1;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf576",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 118
  },
  "hsl": {
    "h": 64.252,
    "s": 86.395,
    "l": 71.176
  },
  "oklch": {
    "l": 0.93828,
    "c": 0.15078,
    "h": 112.6
  },
  "luminance": 0.84446
}

Semantic roles & 50–950 ramp

primary

#ECF576

secondary

#4A3FD0

accent

#03E312

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF576

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

Preview Lab → · Contrast checker → · Palette generator →