#ECFC6F#ECFC6F

#ECFC6F is a very light, vivid yellow. Relative luminance 0.886; OKLCH L 95.2% C 0.165 H 115.0°. Best body text is #000000 at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC6F
RGB	rgb(236, 252, 111)
HSL	hsl(67, 96%, 71%)
HSV	hsv(67, 56%, 99%)
CMYK	cmyk(6.3%, 0%, 56%, 1.2%)
CIE-LAB	lab(95.41, -23.86, 64.41)
CIE-LCH	lch(95.41, 68.69, 110.33°)
OKLab	oklab(95.22% -0.0697 0.1495)
OKLCH	oklch(95.22% 0.165 115)
XYZ	xyz(72.2731, 88.6024, 28.3305)
Luminance	0.8860 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC6F #7F6FFC

analogous

#FCC66F #ECFC6F #A5FC6F

triadic

#ECFC6F #6FECFC #FC6FEC

tetradic

#ECFC6F #6FFCC6 #7F6FFC #FC6FA5

square

#ECFC6F #6FFCC6 #7F6FFC #FC6FA5

split-complementary

#ECFC6F #6FA5FC #C66FFC

monochromatic

#D1EC05 #E4FB33 #ECFC6F #F4FDAB #FBFEE1

Accessibility & contrast

On white

1.12

#ECFC6F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.72

#ECFC6F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC6F

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC6F	#FFFFFF	#000000	##000000
##ECFC6F	1.00	1.12	18.72	18.72
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.72	21.00	1.00	1.00
##000000	18.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF160

Deuteranopia (green-blind)

#FFF377

Tritanopia (blue-blind)

#F9EFDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc6f;
/* rgb */ color: rgb(236, 252, 111);
/* oklch */ color: oklch(95.2% 0.165 115.0);

Tailwind

colors: {
  custom: {
    50: '#f5fd9d',
    500: '#ecfc6f',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc6f;
$custom-light: #f5fd9d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc6f",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 111
  },
  "hsl": {
    "h": 66.809,
    "s": 95.918,
    "l": 71.176
  },
  "oklch": {
    "l": 0.95221,
    "c": 0.16491,
    "h": 115
  },
  "luminance": 0.88601
}

Semantic roles & 50–950 ramp

primary

#ECFC6F

secondary

#4A37D8

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFC6F

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

Preview Lab → · Contrast checker → · Palette generator →