#ECCF66#ECCF66

#ECCF66 is a very light, vivid yellow. Relative luminance 0.634; OKLCH L 85.8% C 0.129 H 94.1°. Best body text is #000000 at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#ECCF66
RGB	rgb(236, 207, 102)
HSL	hsl(47, 78%, 66%)
HSV	hsv(47, 57%, 93%)
CMYK	cmyk(0%, 12.3%, 56.8%, 7.5%)
CIE-LAB	lab(83.66, -2.33, 55.04)
CIE-LCH	lch(83.66, 55.09, 92.42°)
OKLab	oklab(85.84% -0.0092 0.1283)
OKLCH	oklch(85.84% 0.129 94.1)
XYZ	xyz(59.3056, 63.4206, 21.6854)
Luminance	0.6342 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECCF66 #6683EC

analogous

#EC8C66 #ECCF66 #C6EC66

triadic

#ECCF66 #66ECCF #CF66EC

tetradic

#ECCF66 #66EC8C #6683EC #EC66C6

square

#ECCF66 #66EC8C #6683EC #EC66C6

split-complementary

#ECCF66 #66C6EC #8C66EC

monochromatic

#C09B18 #E5BE30 #ECCF66 #F3E09C #FAF1D3

Accessibility & contrast

On white

1.53

#ECCF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.68

#ECCF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECCF66

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECCF66	#FFFFFF	#000000	##000000
##ECCF66	1.00	1.53	13.68	13.68
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.68	21.00	1.00	1.00
##000000	13.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CB5C

Deuteranopia (green-blind)

#E9D46B

Tritanopia (blue-blind)

#FDC1B7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #eccf66;
/* rgb */ color: rgb(236, 207, 102);
/* oklch */ color: oklch(85.8% 0.129 94.1);

Tailwind

colors: {
  custom: {
    50: '#f5dd95',
    500: '#eccf66',
    950: '#000000',
  },
}

SCSS

$custom: #eccf66;
$custom-light: #f5dd95;
$custom-dark: #000000;

JSON

{
  "hex": "#eccf66",
  "rgb": {
    "r": 236,
    "g": 207,
    "b": 102
  },
  "hsl": {
    "h": 47.015,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85843,
    "c": 0.12866,
    "h": 94.1
  },
  "luminance": 0.63418
}

Semantic roles & 50–950 ramp

primary

#ECCF66

secondary

#3855BE

accent

#38DA0B

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#17150D

muted

#85847F

Preview Lab

Preview with #ECCF66

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

Preview Lab → · Contrast checker → · Palette generator →