#ECEC66#ECEC66

#ECEC66 is a very light, vivid yellow. Relative luminance 0.788; OKLCH L 91.8% C 0.155 H 109.1°. Best body text is #000000 at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#ECEC66
RGB	rgb(236, 236, 102)
HSL	hsl(60, 78%, 66%)
HSV	hsv(60, 57%, 93%)
CMYK	cmyk(0%, 0%, 56.8%, 7.5%)
CIE-LAB	lab(91.14, -16.84, 63.49)
CIE-LCH	lch(91.14, 65.69, 104.85°)
OKLab	oklab(91.78% -0.0507 0.1465)
OKLCH	oklch(91.78% 0.155 109.1)
XYZ	xyz(66.9877, 78.7849, 24.2461)
Luminance	0.7878 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEC66 #6666EC

analogous

#ECA966 #ECEC66 #A9EC66

triadic

#ECEC66 #66ECEC #EC66EC

tetradic

#ECEC66 #66ECA9 #6666EC #EC66A9

square

#ECEC66 #66ECA9 #6666EC #EC66A9

split-complementary

#ECEC66 #66A9EC #A966EC

monochromatic

#C0C018 #E5E530 #ECEC66 #F3F39C #FAFAD3

Accessibility & contrast

On white

1.25

#ECEC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.76

#ECEC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEC66

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEC66	#FFFFFF	#000000	##000000
##ECEC66	1.00	1.25	16.76	16.76
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.76	21.00	1.00	1.00
##000000	16.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE357

Deuteranopia (green-blind)

#FFE86E

Tritanopia (blue-blind)

#FBDFCF

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #ecec66;
/* rgb */ color: rgb(236, 236, 102);
/* oklch */ color: oklch(91.8% 0.155 109.1);

Tailwind

colors: {
  custom: {
    50: '#f5f196',
    500: '#ecec66',
    950: '#000000',
  },
}

SCSS

$custom: #ecec66;
$custom-light: #f5f196;
$custom-dark: #000000;

JSON

{
  "hex": "#ecec66",
  "rgb": {
    "r": 236,
    "g": 236,
    "b": 102
  },
  "hsl": {
    "h": 60,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.91777,
    "c": 0.155,
    "h": 109.1
  },
  "luminance": 0.78783
}

Semantic roles & 50–950 ramp

primary

#ECEC66

secondary

#3838BE

accent

#0BDA0B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17160E

muted

#85857F

Preview Lab

Preview with #ECEC66

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

Preview Lab → · Contrast checker → · Palette generator →