#ECF773#ECF773

#ECF773 is a very light, vivid yellow. Relative luminance 0.856; OKLCH L 94.2% C 0.156 H 113.3°. Best body text is #000000 at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#ECF773
RGB	rgb(236, 247, 115)
HSL	hsl(65, 89%, 71%)
HSV	hsv(65, 53%, 97%)
CMYK	cmyk(4.5%, 0%, 53.4%, 3.1%)
CIE-LAB	lab(94.14, -21.17, 61.21)
CIE-LCH	lch(94.14, 64.77, 109.08°)
OKLab	oklab(94.21% -0.0617 0.143)
OKLCH	oklch(94.21% 0.156 113.3)
XYZ	xyz(70.9488, 85.5934, 29.0000)
Luminance	0.8559 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF773 #7E73F7

analogous

#F7C073 #ECF773 #AAF773

triadic

#ECF773 #73ECF7 #F773EC

tetradic

#ECF773 #73F7C0 #7E73F7 #F773AA

square

#ECF773 #73F7C0 #7E73F7 #F773AA

split-complementary

#ECF773 #73AAF7 #C073F7

monochromatic

#D1E30D #E4F439 #ECF773 #F4FAAD #FBFDE2

Accessibility & contrast

On white

1.16

#ECF773 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.12

#ECF773 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF773

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF773	#FFFFFF	#000000	##000000
##ECF773	1.00	1.16	18.12	18.12
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.12	21.00	1.00	1.00
##000000	18.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED66

Deuteranopia (green-blind)

#FFF07A

Tritanopia (blue-blind)

#F9EADA

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf773;
/* rgb */ color: rgb(236, 247, 115);
/* oklch */ color: oklch(94.2% 0.156 113.3);

Tailwind

colors: {
  custom: {
    50: '#f4f99f',
    500: '#ecf773',
    950: '#000000',
  },
}

SCSS

$custom: #ecf773;
$custom-light: #f4f99f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf773",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 115
  },
  "hsl": {
    "h": 65,
    "s": 89.189,
    "l": 70.98
  },
  "oklch": {
    "l": 0.94213,
    "c": 0.15576,
    "h": 113.3
  },
  "luminance": 0.85592
}

Semantic roles & 50–950 ramp

primary

#ECF773

secondary

#493CD2

accent

#00E613

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF773

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

Preview Lab → · Contrast checker → · Palette generator →