#ECFC71#ECFC71

#ECFC71 is a very light, vivid yellow. Relative luminance 0.886; OKLCH L 95.2% C 0.163 H 115.0°. Best body text is #000000 at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC71
RGB	rgb(236, 252, 113)
HSL	hsl(67, 96%, 72%)
HSV	hsv(67, 55%, 99%)
CMYK	cmyk(6.3%, 0%, 55.2%, 1.2%)
CIE-LAB	lab(95.43, -23.71, 63.57)
CIE-LCH	lch(95.43, 67.85, 110.45°)
OKLab	oklab(95.24% -0.0691 0.1479)
OKLCH	oklch(95.24% 0.163 115)
XYZ	xyz(72.3845, 88.6470, 28.9170)
Luminance	0.8865 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC71 #8171FC

analogous

#FCC671 #ECFC71 #A7FC71

triadic

#ECFC71 #71ECFC #FC71EC

tetradic

#ECFC71 #71FCC6 #8171FC #FC71A7

square

#ECFC71 #71FCC6 #8171FC #FC71A7

split-complementary

#ECFC71 #71A7FC #C671FC

monochromatic

#D3EE05 #E4FB35 #ECFC71 #F4FDAD #FBFEE1

Accessibility & contrast

On white

1.12

#ECFC71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.73

#ECFC71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC71

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC71	#FFFFFF	#000000	##000000
##ECFC71	1.00	1.12	18.73	18.73
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.73	21.00	1.00	1.00
##000000	18.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF163

Deuteranopia (green-blind)

#FFF379

Tritanopia (blue-blind)

#F9EFDE

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc71;
/* rgb */ color: rgb(236, 252, 113);
/* oklch */ color: oklch(95.2% 0.163 115.0);

Tailwind

colors: {
  custom: {
    50: '#f5fd9e',
    500: '#ecfc71',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc71;
$custom-light: #f5fd9e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc71",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 113
  },
  "hsl": {
    "h": 66.906,
    "s": 95.862,
    "l": 71.569
  },
  "oklch": {
    "l": 0.95242,
    "c": 0.1632,
    "h": 115
  },
  "luminance": 0.88646
}

Semantic roles & 50–950 ramp

primary

#ECFC71

secondary

#4B39D8

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFC71

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

Preview Lab → · Contrast checker → · Palette generator →