#ECF184#ECF184

#ECF184 is a very light, vivid yellow. Relative luminance 0.824; OKLCH L 93.2% C 0.133 H 111.0°. Best body text is #000000 at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#ECF184
RGB	rgb(236, 241, 132)
HSL	hsl(63, 80%, 73%)
HSV	hsv(63, 45%, 95%)
CMYK	cmyk(2.1%, 0%, 45.2%, 5.5%)
CIE-LAB	lab(92.76, -16.78, 51.78)
CIE-LCH	lch(92.76, 54.43, 107.96°)
OKLab	oklab(93.17% -0.0476 0.1239)
OKLCH	oklch(93.17% 0.133 111)
XYZ	xyz(70.2134, 82.4107, 34.0334)
Luminance	0.8241 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF184 #8984F1

analogous

#F1BF84 #ECF184 #B5F184

triadic

#ECF184 #84ECF1 #F184EC

tetradic

#ECF184 #84F1BF #8984F1 #F184B5

square

#ECF184 #84F1BF #8984F1 #F184B5

split-complementary

#ECF184 #84B5F1 #BF84F1

monochromatic

#D8E11A #E4EB4D #ECF184 #F4F7BB #FBFCE4

Accessibility & contrast

On white

1.20

#ECF184 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.48

#ECF184 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF184

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF184	#FFFFFF	#000000	##000000
##ECF184	1.00	1.20	17.48	17.48
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.48	21.00	1.00	1.00
##000000	17.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE87B

Deuteranopia (green-blind)

#FFEC89

Tritanopia (blue-blind)

#F9E5D7

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf184;
/* rgb */ color: rgb(236, 241, 132);
/* oklch */ color: oklch(93.2% 0.133 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f5aa',
    500: '#ecf184',
    950: '#000000',
  },
}

SCSS

$custom: #ecf184;
$custom-light: #f4f5aa;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf184",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 132
  },
  "hsl": {
    "h": 62.752,
    "s": 79.562,
    "l": 73.137
  },
  "oklch": {
    "l": 0.9317,
    "c": 0.13272,
    "h": 111
  },
  "luminance": 0.82409
}

Semantic roles & 50–950 ramp

primary

#ECF184

secondary

#534DCC

accent

#0ADC13

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF184

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

Preview Lab → · Contrast checker → · Palette generator →