#ECFD71#ECFD71

#ECFD71 is a very light, vivid yellow. Relative luminance 0.893; OKLCH L 95.5% C 0.164 H 115.4°. Best body text is #000000 at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD71
RGB	rgb(236, 253, 113)
HSL	hsl(67, 97%, 72%)
HSV	hsv(67, 55%, 99%)
CMYK	cmyk(6.7%, 0%, 55.3%, 0.8%)
CIE-LAB	lab(95.70, -24.18, 63.87)
CIE-LCH	lch(95.70, 68.29, 110.74°)
OKLab	oklab(95.45% -0.0704 0.1485)
OKLCH	oklch(95.45% 0.164 115.4)
XYZ	xyz(72.6993, 89.2767, 29.0219)
Luminance	0.8928 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD71 #8271FD

analogous

#FDC871 #ECFD71 #A6FD71

triadic

#ECFD71 #71ECFD #FD71EC

tetradic

#ECFD71 #71FDC8 #8271FD #FD71A6

square

#ECFD71 #71FDC8 #8271FD #FD71A6

split-complementary

#ECFD71 #71A6FD #C871FD

monochromatic

#D3F003 #E4FC35 #ECFD71 #F4FEAD #FBFFE1

Accessibility & contrast

On white

1.11

#ECFD71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.86

#ECFD71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD71

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD71	#FFFFFF	#000000	##000000
##ECFD71	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)

#FFF262

Deuteranopia (green-blind)

#FFF479

Tritanopia (blue-blind)

#F9F0DE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfd71;
/* rgb */ color: rgb(236, 253, 113);
/* oklch */ color: oklch(95.5% 0.164 115.4);

Tailwind

colors: {
  custom: {
    50: '#f5fe9e',
    500: '#ecfd71',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd71;
$custom-light: #f5fe9e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd71",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 113
  },
  "hsl": {
    "h": 67.286,
    "s": 97.222,
    "l": 71.765
  },
  "oklch": {
    "l": 0.95453,
    "c": 0.16435,
    "h": 115.4
  },
  "luminance": 0.89276
}

Semantic roles & 50–950 ramp

primary

#ECFD71

secondary

#4C39D9

accent

#00E61C

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFD71

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

Preview Lab → · Contrast checker → · Palette generator →