#ECF173#ECF173

#ECF173 is a very light, vivid yellow. Relative luminance 0.820; OKLCH L 93.0% C 0.149 H 111.0°. Best body text is #000000 at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#ECF173
RGB	rgb(236, 241, 115)
HSL	hsl(62, 82%, 70%)
HSV	hsv(62, 52%, 95%)
CMYK	cmyk(2.1%, 0%, 52.3%, 5.5%)
CIE-LAB	lab(92.57, -18.28, 59.40)
CIE-LCH	lch(92.57, 62.15, 107.10°)
OKLab	oklab(92.96% -0.0535 0.1391)
OKLCH	oklch(92.96% 0.149 111)
XYZ	xyz(69.1434, 81.9827, 28.3982)
Luminance	0.8198 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF173 #7873F1

analogous

#F1B773 #ECF173 #ADF173

triadic

#ECF173 #73ECF1 #F173EC

tetradic

#ECF173 #73F1B7 #7873F1 #F173AD

square

#ECF173 #73F1B7 #7873F1 #F173AD

split-complementary

#ECF173 #73ADF1 #B773F1

monochromatic

#CDD415 #E4EB3B #ECF173 #F4F7AB #FBFCE2

Accessibility & contrast

On white

1.21

#ECF173 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.40

#ECF173 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF173

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF173	#FFFFFF	#000000	##000000
##ECF173	1.00	1.21	17.40	17.40
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.40	21.00	1.00	1.00
##000000	17.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE867

Deuteranopia (green-blind)

#FFEB7A

Tritanopia (blue-blind)

#FAE4D5

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf173;
/* rgb */ color: rgb(236, 241, 115);
/* oklch */ color: oklch(93.0% 0.149 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f59f',
    500: '#ecf173',
    950: '#000000',
  },
}

SCSS

$custom: #ecf173;
$custom-light: #f4f59f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf173",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 115
  },
  "hsl": {
    "h": 62.381,
    "s": 81.818,
    "l": 69.804
  },
  "oklch": {
    "l": 0.92958,
    "c": 0.14904,
    "h": 111
  },
  "luminance": 0.81981
}

Semantic roles & 50–950 ramp

primary

#ECF173

secondary

#433ECA

accent

#07DE10

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF173

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

Preview Lab → · Contrast checker → · Palette generator →