#ECF883#ECF883

#ECF883 is a very light, vivid yellow. Relative luminance 0.866; OKLCH L 94.6% C 0.142 H 114.0°. Best body text is #000000 at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#ECF883
RGB	rgb(236, 248, 131)
HSL	hsl(66, 89%, 74%)
HSV	hsv(66, 47%, 97%)
CMYK	cmyk(4.8%, 0%, 47.2%, 2.7%)
CIE-LAB	lab(94.57, -20.27, 54.45)
CIE-LCH	lch(94.57, 58.10, 110.41°)
OKLab	oklab(94.61% -0.0576 0.1297)
OKLCH	oklch(94.61% 0.142 114)
XYZ	xyz(72.2573, 86.6074, 34.3788)
Luminance	0.8661 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF883 #8F83F8

analogous

#F8CA83 #ECF883 #B2F883

triadic

#ECF883 #83ECF8 #F883EC

tetradic

#ECF883 #83F8CA #8F83F8 #F883B2

square

#ECF883 #83F8CA #8F83F8 #F883B2

split-complementary

#ECF883 #83B2F8 #CA83F8

monochromatic

#DAF10F #E3F549 #ECF883 #F5FBBD #FBFDE2

Accessibility & contrast

On white

1.15

#ECF883 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.32

#ECF883 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF883

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF883	#FFFFFF	#000000	##000000
##ECF883	1.00	1.15	18.32	18.32
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.32	21.00	1.00	1.00
##000000	18.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE79

Deuteranopia (green-blind)

#FFF189

Tritanopia (blue-blind)

#F8ECDD

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf883;
/* rgb */ color: rgb(236, 248, 131);
/* oklch */ color: oklch(94.6% 0.142 114.0);

Tailwind

colors: {
  custom: {
    50: '#f4faa9',
    500: '#ecf883',
    950: '#000000',
  },
}

SCSS

$custom: #ecf883;
$custom-light: #f4faa9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf883",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 131
  },
  "hsl": {
    "h": 66.154,
    "s": 89.313,
    "l": 74.314
  },
  "oklch": {
    "l": 0.94614,
    "c": 0.14193,
    "h": 114
  },
  "luminance": 0.86606
}

Semantic roles & 50–950 ramp

primary

#ECF883

secondary

#584AD5

accent

#00E618

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF883

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

Preview Lab → · Contrast checker → · Palette generator →