#ECF386#ECF386

#ECF386 is a very light, vivid yellow. Relative luminance 0.837; OKLCH L 93.6% C 0.133 H 111.9°. Best body text is #000000 at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#ECF386
RGB	rgb(236, 243, 134)
HSL	hsl(64, 82%, 74%)
HSV	hsv(64, 45%, 95%)
CMYK	cmyk(2.9%, 0%, 44.9%, 4.7%)
CIE-LAB	lab(93.30, -17.57, 51.50)
CIE-LCH	lch(93.30, 54.41, 108.83°)
OKLab	oklab(93.61% -0.0497 0.1234)
OKLCH	oklch(93.61% 0.133 111.9)
XYZ	xyz(70.9468, 83.6565, 34.9596)
Luminance	0.8366 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF386 #8D86F3

analogous

#F3C486 #ECF386 #B6F386

triadic

#ECF386 #86ECF3 #F386EC

tetradic

#ECF386 #86F3C4 #8D86F3 #F386B6

square

#ECF386 #86F3C4 #8D86F3 #F386B6

split-complementary

#ECF386 #86B6F3 #C486F3

monochromatic

#DAE817 #E3ED4E #ECF386 #F5F9BE #FBFCE3

Accessibility & contrast

On white

1.18

#ECF386 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.73

#ECF386 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF386

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF386	#FFFFFF	#000000	##000000
##ECF386	1.00	1.18	17.73	17.73
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.73	21.00	1.00	1.00
##000000	17.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA7D

Deuteranopia (green-blind)

#FFED8B

Tritanopia (blue-blind)

#F8E8D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf386;
/* rgb */ color: rgb(236, 243, 134);
/* oklch */ color: oklch(93.6% 0.133 111.9);

Tailwind

colors: {
  custom: {
    50: '#f4f7ab',
    500: '#ecf386',
    950: '#000000',
  },
}

SCSS

$custom: #ecf386;
$custom-light: #f4f7ab;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf386",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 134
  },
  "hsl": {
    "h": 63.853,
    "s": 81.955,
    "l": 73.922
  },
  "oklch": {
    "l": 0.93612,
    "c": 0.13302,
    "h": 111.9
  },
  "luminance": 0.83655
}

Semantic roles & 50–950 ramp

primary

#ECF386

secondary

#564ECF

accent

#07DE15

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF386

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

Preview Lab → · Contrast checker → · Palette generator →