#ECFB73#ECFB73

#ECFB73 is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.1% C 0.160 H 114.7°. Best body text is #000000 at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB73
RGB	rgb(236, 251, 115)
HSL	hsl(67, 94%, 72%)
HSV	hsv(67, 54%, 98%)
CMYK	cmyk(6%, 0%, 54.2%, 1.6%)
CIE-LAB	lab(95.19, -23.08, 62.42)
CIE-LCH	lch(95.19, 66.55, 110.29°)
OKLab	oklab(95.05% -0.0671 0.1456)
OKLCH	oklch(95.05% 0.16 114.7)
XYZ	xyz(72.1851, 88.0661, 29.4121)
Luminance	0.8807 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB73 #8273FB

analogous

#FBC673 #ECFB73 #A8FB73

triadic

#ECFB73 #73ECFB #FB73EC

tetradic

#ECFB73 #73FBC6 #8273FB #FB73A8

square

#ECFB73 #73FBC6 #8273FB #FB73A8

split-complementary

#ECFB73 #73A8FB #C673FB

monochromatic

#D3ED07 #E4F938 #ECFB73 #F4FDAF #FBFEE1

Accessibility & contrast

On white

1.13

#ECFB73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.61

#ECFB73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB73

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB73	#FFFFFF	#000000	##000000
##ECFB73	1.00	1.13	18.61	18.61
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.61	21.00	1.00	1.00
##000000	18.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF065

Deuteranopia (green-blind)

#FFF27B

Tritanopia (blue-blind)

#F9EEDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb73;
/* rgb */ color: rgb(236, 251, 115);
/* oklch */ color: oklch(95.1% 0.160 114.7);

Tailwind

colors: {
  custom: {
    50: '#f4fc9f',
    500: '#ecfb73',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb73;
$custom-light: #f4fc9f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb73",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 115
  },
  "hsl": {
    "h": 66.618,
    "s": 94.444,
    "l": 71.765
  },
  "oklch": {
    "l": 0.95053,
    "c": 0.16032,
    "h": 114.7
  },
  "luminance": 0.88065
}

Semantic roles & 50–950 ramp

primary

#ECFB73

secondary

#4C3BD7

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFB73

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

Preview Lab → · Contrast checker → · Palette generator →