#ECF873#ECF873

#ECF873 is a very light, vivid yellow. Relative luminance 0.862; OKLCH L 94.4% C 0.157 H 113.7°. Best body text is #000000 at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#ECF873
RGB	rgb(236, 248, 115)
HSL	hsl(65, 90%, 71%)
HSV	hsv(65, 54%, 97%)
CMYK	cmyk(4.8%, 0%, 53.6%, 2.7%)
CIE-LAB	lab(94.40, -21.65, 61.52)
CIE-LCH	lch(94.40, 65.21, 109.39°)
OKLab	oklab(94.42% -0.063 0.1437)
OKLCH	oklch(94.42% 0.157 113.7)
XYZ	xyz(71.2554, 86.2067, 29.1022)
Luminance	0.8620 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF873 #7F73F8

analogous

#F8C273 #ECF873 #A9F873

triadic

#ECF873 #73ECF8 #F873EC

tetradic

#ECF873 #73F8C2 #7F73F8 #F873A9

square

#ECF873 #73F8C2 #7F73F8 #F873A9

split-complementary

#ECF873 #73A9F8 #C273F8

monochromatic

#D1E50B #E4F539 #ECF873 #F4FBAD #FBFEE2

Accessibility & contrast

On white

1.15

#ECF873 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.24

#ECF873 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF873

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF873	#FFFFFF	#000000	##000000
##ECF873	1.00	1.15	18.24	18.24
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.24	21.00	1.00	1.00
##000000	18.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE66

Deuteranopia (green-blind)

#FFF07B

Tritanopia (blue-blind)

#F9EBDB

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf873;
/* rgb */ color: rgb(236, 248, 115);
/* oklch */ color: oklch(94.4% 0.157 113.7);

Tailwind

colors: {
  custom: {
    50: '#f4fa9f',
    500: '#ecf873',
    950: '#000000',
  },
}

SCSS

$custom: #ecf873;
$custom-light: #f4fa9f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf873",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 115
  },
  "hsl": {
    "h": 65.414,
    "s": 90.476,
    "l": 71.176
  },
  "oklch": {
    "l": 0.94423,
    "c": 0.15688,
    "h": 113.7
  },
  "luminance": 0.86205
}

Semantic roles & 50–950 ramp

primary

#ECF873

secondary

#4A3CD3

accent

#00E615

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF873

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

Preview Lab → · Contrast checker → · Palette generator →