#ECFC73#ECFC73

#ECFC73 is a very light, vivid yellow. Relative luminance 0.887; OKLCH L 95.3% C 0.161 H 115.1°. Best body text is #000000 at 18.74:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC73
RGB	rgb(236, 252, 115)
HSL	hsl(67, 96%, 72%)
HSV	hsv(67, 54%, 99%)
CMYK	cmyk(6.3%, 0%, 54.4%, 1.2%)
CIE-LAB	lab(95.45, -23.55, 62.72)
CIE-LCH	lch(95.45, 67.00, 110.58°)
OKLab	oklab(95.26% -0.0684 0.1463)
OKLCH	oklch(95.26% 0.161 115.1)
XYZ	xyz(72.4983, 88.6925, 29.5165)
Luminance	0.8869 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC73 #8373FC

analogous

#FCC773 #ECFC73 #A8FC73

triadic

#ECFC73 #73ECFC #FC73EC

tetradic

#ECFC73 #73FCC7 #8373FC #FC73A8

square

#ECFC73 #73FCC7 #8373FC #FC73A8

split-complementary

#ECFC73 #73A8FC #C773FC

monochromatic

#D4EF05 #E4FB37 #ECFC73 #F4FDAF #FBFEE1

Accessibility & contrast

On white

1.12

#ECFC73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.74

#ECFC73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC73

18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC73	#FFFFFF	#000000	##000000
##ECFC73	1.00	1.12	18.74	18.74
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.74	21.00	1.00	1.00
##000000	18.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF165

Deuteranopia (green-blind)

#FFF37B

Tritanopia (blue-blind)

#F9EFDE

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc73;
/* rgb */ color: rgb(236, 252, 115);
/* oklch */ color: oklch(95.3% 0.161 115.1);

Tailwind

colors: {
  custom: {
    50: '#f5fd9f',
    500: '#ecfc73',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc73;
$custom-light: #f5fd9f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc73",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 115
  },
  "hsl": {
    "h": 67.007,
    "s": 95.804,
    "l": 71.961
  },
  "oklch": {
    "l": 0.95263,
    "c": 0.16146,
    "h": 115.1
  },
  "luminance": 0.88691
}

Semantic roles & 50–950 ramp

primary

#ECFC73

secondary

#4D3BD8

accent

#00E61B

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFC73

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

Preview Lab → · Contrast checker → · Palette generator →