#ECD366#ECD366

#ECD366 is a very light, vivid yellow. Relative luminance 0.654; OKLCH L 86.6% C 0.132 H 96.6°. Best body text is #000000 at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#ECD366
RGB	rgb(236, 211, 102)
HSL	hsl(49, 78%, 66%)
HSV	hsv(49, 57%, 93%)
CMYK	cmyk(0%, 10.6%, 56.8%, 7.5%)
CIE-LAB	lab(84.68, -4.37, 56.21)
CIE-LCH	lch(84.68, 56.38, 94.44°)
OKLab	oklab(86.65% -0.0151 0.1309)
OKLCH	oklch(86.65% 0.132 96.6)
XYZ	xyz(60.2870, 65.3834, 22.0125)
Luminance	0.6538 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECD366 #667FEC

analogous

#EC9066 #ECD366 #C2EC66

triadic

#ECD366 #66ECD3 #D366EC

tetradic

#ECD366 #66EC90 #667FEC #EC66C2

square

#ECD366 #66EC90 #667FEC #EC66C2

split-complementary

#ECD366 #66C2EC #9066EC

monochromatic

#C0A018 #E5C330 #ECD366 #F3E39C #FAF2D3

Accessibility & contrast

On white

1.49

#ECD366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.08

#ECD366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECD366

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECD366	#FFFFFF	#000000	##000000
##ECD366	1.00	1.49	14.08	14.08
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.08	21.00	1.00	1.00
##000000	14.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CF5B

Deuteranopia (green-blind)

#ECD76B

Tritanopia (blue-blind)

#FDC5BB

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #ecd366;
/* rgb */ color: rgb(236, 211, 102);
/* oklch */ color: oklch(86.6% 0.132 96.6);

Tailwind

colors: {
  custom: {
    50: '#f5e095',
    500: '#ecd366',
    950: '#000000',
  },
}

SCSS

$custom: #ecd366;
$custom-light: #f5e095;
$custom-dark: #000000;

JSON

{
  "hex": "#ecd366",
  "rgb": {
    "r": 236,
    "g": 211,
    "b": 102
  },
  "hsl": {
    "h": 48.806,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86648,
    "c": 0.13172,
    "h": 96.6
  },
  "luminance": 0.65381
}

Semantic roles & 50–950 ramp

primary

#ECD366

secondary

#3851BE

accent

#32DA0B

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#17150D

muted

#85847F

Preview Lab

Preview with #ECD366

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

Preview Lab → · Contrast checker → · Palette generator →