#ECF487#ECF487

#ECF487 is a very light, vivid yellow. Relative luminance 0.843; OKLCH L 93.8% C 0.133 H 112.4°. Best body text is #000000 at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECF487
RGB	rgb(236, 244, 135)
HSL	hsl(64, 83%, 74%)
HSV	hsv(64, 45%, 96%)
CMYK	cmyk(3.3%, 0%, 44.7%, 4.3%)
CIE-LAB	lab(93.57, -17.95, 51.36)
CIE-LCH	lch(93.57, 54.41, 109.27°)
OKLab	oklab(93.83% -0.0507 0.1232)
OKLCH	oklch(93.83% 0.133 112.4)
XYZ	xyz(71.3170, 84.2847, 35.4286)
Luminance	0.8428 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF487 #8F87F4

analogous

#F4C687 #ECF487 #B6F487

triadic

#ECF487 #87ECF4 #F487EC

tetradic

#ECF487 #87F4C6 #8F87F4 #F487B6

square

#ECF487 #87F4C6 #8F87F4 #F487B6

split-complementary

#ECF487 #87B6F4 #C687F4

monochromatic

#DAEA17 #E3EF4F #ECF487 #F5F9BF #FBFCE3

Accessibility & contrast

On white

1.18

#ECF487 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.86

#ECF487 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF487

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF487	#FFFFFF	#000000	##000000
##ECF487	1.00	1.18	17.86	17.86
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.86	21.00	1.00	1.00
##000000	17.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB7E

Deuteranopia (green-blind)

#FFEE8C

Tritanopia (blue-blind)

#F8E9DA

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf487;
/* rgb */ color: rgb(236, 244, 135);
/* oklch */ color: oklch(93.8% 0.133 112.4);

Tailwind

colors: {
  custom: {
    50: '#f4f7ac',
    500: '#ecf487',
    950: '#000000',
  },
}

SCSS

$custom: #ecf487;
$custom-light: #f4f7ac;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf487",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 135
  },
  "hsl": {
    "h": 64.404,
    "s": 83.206,
    "l": 74.314
  },
  "oklch": {
    "l": 0.93834,
    "c": 0.13319,
    "h": 112.4
  },
  "luminance": 0.84284
}

Semantic roles & 50–950 ramp

primary

#ECF487

secondary

#584FD0

accent

#06E016

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF487

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

Preview Lab → · Contrast checker → · Palette generator →