#ECCB66#ECCB66

#ECCB66 is a very light, vivid yellow. Relative luminance 0.615; OKLCH L 85.0% C 0.126 H 91.5°. Best body text is #000000 at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#ECCB66
RGB	rgb(236, 203, 102)
HSL	hsl(45, 78%, 66%)
HSV	hsv(45, 57%, 93%)
CMYK	cmyk(0%, 14%, 56.8%, 7.5%)
CIE-LAB	lab(82.65, -0.27, 53.87)
CIE-LCH	lch(82.65, 53.87, 90.29°)
OKLab	oklab(85.04% -0.0032 0.1258)
OKLCH	oklch(85.04% 0.126 91.5)
XYZ	xyz(58.3488, 61.5070, 21.3664)
Luminance	0.6150 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECCB66 #6687EC

analogous

#EC8866 #ECCB66 #CAEC66

triadic

#ECCB66 #66ECCB #CB66EC

tetradic

#ECCB66 #66EC88 #6687EC #EC66CA

square

#ECCB66 #66EC88 #6687EC #EC66CA

split-complementary

#ECCB66 #66CAEC #8866EC

monochromatic

#C09618 #E5B830 #ECCB66 #F3DE9C #FAF0D3

Accessibility & contrast

On white

1.58

#ECCB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.30

#ECCB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECCB66

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECCB66	#FFFFFF	#000000	##000000
##ECCB66	1.00	1.58	13.30	13.30
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.30	21.00	1.00	1.00
##000000	13.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC85C

Deuteranopia (green-blind)

#E6D26A

Tritanopia (blue-blind)

#FDBDB4

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #eccb66;
/* rgb */ color: rgb(236, 203, 102);
/* oklch */ color: oklch(85.0% 0.126 91.5);

Tailwind

colors: {
  custom: {
    50: '#f5da94',
    500: '#eccb66',
    950: '#000000',
  },
}

SCSS

$custom: #eccb66;
$custom-light: #f5da94;
$custom-dark: #000000;

JSON

{
  "hex": "#eccb66",
  "rgb": {
    "r": 236,
    "g": 203,
    "b": 102
  },
  "hsl": {
    "h": 45.224,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85043,
    "c": 0.12584,
    "h": 91.5
  },
  "luminance": 0.61504
}

Semantic roles & 50–950 ramp

primary

#ECCB66

secondary

#3859BE

accent

#3EDA0B

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#17140D

muted

#85837F

Preview Lab

Preview with #ECCB66

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

Preview Lab → · Contrast checker → · Palette generator →