#ECFD73#ECFD73

#ECFD73 is a very light, vivid yellow. Relative luminance 0.893; OKLCH L 95.5% C 0.163 H 115.4°. Best body text is #000000 at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD73
RGB	rgb(236, 253, 115)
HSL	hsl(67, 97%, 72%)
HSV	hsv(67, 55%, 99%)
CMYK	cmyk(6.7%, 0%, 54.5%, 0.8%)
CIE-LAB	lab(95.71, -24.03, 63.02)
CIE-LCH	lch(95.71, 67.44, 110.87°)
OKLab	oklab(95.47% -0.0698 0.1469)
OKLCH	oklch(95.47% 0.163 115.4)
XYZ	xyz(72.8132, 89.3222, 29.6215)
Luminance	0.8932 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD73 #8473FD

analogous

#FDC973 #ECFD73 #A7FD73

triadic

#ECFD73 #73ECFD #FD73EC

tetradic

#ECFD73 #73FDC9 #8473FD #FD73A7

square

#ECFD73 #73FDC9 #8473FD #FD73A7

split-complementary

#ECFD73 #73A7FD #C973FD

monochromatic

#D5F203 #E4FC37 #ECFD73 #F4FEAF #FBFFE1

Accessibility & contrast

On white

1.11

#ECFD73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.86

#ECFD73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD73

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD73	#FFFFFF	#000000	##000000
##ECFD73	1.00	1.11	18.86	18.86
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.86	21.00	1.00	1.00
##000000	18.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF265

Deuteranopia (green-blind)

#FFF47B

Tritanopia (blue-blind)

#F9F0DF

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfd73;
/* rgb */ color: rgb(236, 253, 115);
/* oklch */ color: oklch(95.5% 0.163 115.4);

Tailwind

colors: {
  custom: {
    50: '#f5fe9f',
    500: '#ecfd73',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd73;
$custom-light: #f5fe9f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd73",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 115
  },
  "hsl": {
    "h": 67.391,
    "s": 97.183,
    "l": 72.157
  },
  "oklch": {
    "l": 0.95474,
    "c": 0.16262,
    "h": 115.4
  },
  "luminance": 0.89321
}

Semantic roles & 50–950 ramp

primary

#ECFD73

secondary

#4E3BDA

accent

#00E61C

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFD73

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

Preview Lab → · Contrast checker → · Palette generator →