#ECD166#ECD166

#ECD166 is a very light, vivid yellow. Relative luminance 0.644; OKLCH L 86.2% C 0.130 H 95.4°. Best body text is #000000 at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#ECD166
RGB	rgb(236, 209, 102)
HSL	hsl(48, 78%, 66%)
HSV	hsv(48, 57%, 93%)
CMYK	cmyk(0%, 11.4%, 56.8%, 7.5%)
CIE-LAB	lab(84.17, -3.35, 55.62)
CIE-LCH	lch(84.17, 55.72, 93.45°)
OKLab	oklab(86.25% -0.0121 0.1296)
OKLCH	oklch(86.25% 0.13 95.4)
XYZ	xyz(59.7932, 64.3958, 21.8479)
Luminance	0.6439 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECD166 #6681EC

analogous

#EC8E66 #ECD166 #C4EC66

triadic

#ECD166 #66ECD1 #D166EC

tetradic

#ECD166 #66EC8E #6681EC #EC66C4

square

#ECD166 #66EC8E #6681EC #EC66C4

split-complementary

#ECD166 #66C4EC #8E66EC

monochromatic

#C09E18 #E5C130 #ECD166 #F3E19C #FAF2D3

Accessibility & contrast

On white

1.51

#ECD166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.88

#ECD166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECD166

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECD166	#FFFFFF	#000000	##000000
##ECD166	1.00	1.51	13.88	13.88
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.88	21.00	1.00	1.00
##000000	13.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CD5C

Deuteranopia (green-blind)

#EAD66B

Tritanopia (blue-blind)

#FDC3B9

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #ecd166;
/* rgb */ color: rgb(236, 209, 102);
/* oklch */ color: oklch(86.2% 0.130 95.4);

Tailwind

colors: {
  custom: {
    50: '#f5de95',
    500: '#ecd166',
    950: '#000000',
  },
}

SCSS

$custom: #ecd166;
$custom-light: #f5de95;
$custom-dark: #000000;

JSON

{
  "hex": "#ecd166",
  "rgb": {
    "r": 236,
    "g": 209,
    "b": 102
  },
  "hsl": {
    "h": 47.91,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86245,
    "c": 0.13016,
    "h": 95.4
  },
  "luminance": 0.64393
}

Semantic roles & 50–950 ramp

primary

#ECD166

secondary

#3853BE

accent

#35DA0B

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#17150D

muted

#85847F

Preview Lab

Preview with #ECD166

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

Preview Lab → · Contrast checker → · Palette generator →