#ECFB71#ECFB71

#ECFB71 is a very light, vivid yellow. Relative luminance 0.880; OKLCH L 95.0% C 0.162 H 114.7°. Best body text is #000000 at 18.60:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB71
RGB	rgb(236, 251, 113)
HSL	hsl(67, 95%, 71%)
HSV	hsv(67, 55%, 98%)
CMYK	cmyk(6%, 0%, 55%, 1.6%)
CIE-LAB	lab(95.17, -23.24, 63.27)
CIE-LCH	lch(95.17, 67.40, 110.17°)
OKLab	oklab(95.03% -0.0677 0.1472)
OKLCH	oklch(95.03% 0.162 114.7)
XYZ	xyz(72.0713, 88.0206, 28.8126)
Luminance	0.8802 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB71 #8071FB

analogous

#FBC571 #ECFB71 #A7FB71

triadic

#ECFB71 #71ECFB #FB71EC

tetradic

#ECFB71 #71FBC5 #8071FB #FB71A7

square

#ECFB71 #71FBC5 #8071FB #FB71A7

split-complementary

#ECFB71 #71A7FB #C571FB

monochromatic

#D2EB07 #E4F935 #ECFB71 #F4FDAD #FBFEE1

Accessibility & contrast

On white

1.13

#ECFB71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.60

#ECFB71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB71

18.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB71	#FFFFFF	#000000	##000000
##ECFB71	1.00	1.13	18.60	18.60
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.60	21.00	1.00	1.00
##000000	18.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF063

Deuteranopia (green-blind)

#FFF279

Tritanopia (blue-blind)

#F9EEDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb71;
/* rgb */ color: rgb(236, 251, 113);
/* oklch */ color: oklch(95.0% 0.162 114.7);

Tailwind

colors: {
  custom: {
    50: '#f5fc9e',
    500: '#ecfb71',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb71;
$custom-light: #f5fc9e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb71",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 113
  },
  "hsl": {
    "h": 66.522,
    "s": 94.521,
    "l": 71.373
  },
  "oklch": {
    "l": 0.95032,
    "c": 0.16206,
    "h": 114.7
  },
  "luminance": 0.88019
}

Semantic roles & 50–950 ramp

primary

#ECFB71

secondary

#4B39D7

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFB71

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

Preview Lab → · Contrast checker → · Palette generator →