#ECF673#ECF673

#ECF673 is a very light, vivid yellow. Relative luminance 0.850; OKLCH L 94.0% C 0.155 H 113.0°. Best body text is #000000 at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#ECF673
RGB	rgb(236, 246, 115)
HSL	hsl(65, 88%, 71%)
HSV	hsv(65, 53%, 96%)
CMYK	cmyk(4.1%, 0%, 53.3%, 3.5%)
CIE-LAB	lab(93.88, -20.69, 60.91)
CIE-LCH	lch(93.88, 64.33, 108.76°)
OKLab	oklab(94% -0.0603 0.1424)
OKLCH	oklch(94% 0.155 113)
XYZ	xyz(70.6438, 84.9835, 28.8984)
Luminance	0.8498 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF673 #7D73F6

analogous

#F6BE73 #ECF673 #AAF673

triadic

#ECF673 #73ECF6 #F673EC

tetradic

#ECF673 #73F6BE #7D73F6 #F673AA

square

#ECF673 #73F6BE #7D73F6 #F673AA

split-complementary

#ECF673 #73AAF6 #BE73F6

monochromatic

#D0E00E #E4F239 #ECF673 #F4FAAD #FBFDE2

Accessibility & contrast

On white

1.17

#ECF673 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.00

#ECF673 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF673

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF673	#FFFFFF	#000000	##000000
##ECF673	1.00	1.17	18.00	18.00
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.00	21.00	1.00	1.00
##000000	18.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC66

Deuteranopia (green-blind)

#FFEF7A

Tritanopia (blue-blind)

#FAE9D9

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf673;
/* rgb */ color: rgb(236, 246, 115);
/* oklch */ color: oklch(94.0% 0.155 113.0);

Tailwind

colors: {
  custom: {
    50: '#f4f99f',
    500: '#ecf673',
    950: '#000000',
  },
}

SCSS

$custom: #ecf673;
$custom-light: #f4f99f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf673",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 115
  },
  "hsl": {
    "h": 64.58,
    "s": 87.919,
    "l": 70.784
  },
  "oklch": {
    "l": 0.94003,
    "c": 0.15463,
    "h": 113
  },
  "luminance": 0.84982
}

Semantic roles & 50–950 ramp

primary

#ECF673

secondary

#483DD1

accent

#01E412

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF673

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

Preview Lab → · Contrast checker → · Palette generator →