#ECDF66#ECDF66

#ECDF66 is a very light, vivid yellow. Relative luminance 0.716; OKLCH L 89.1% C 0.142 H 103.2°. Best body text is #000000 at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#ECDF66
RGB	rgb(236, 223, 102)
HSL	hsl(54, 78%, 66%)
HSV	hsv(54, 57%, 93%)
CMYK	cmyk(0%, 5.5%, 56.8%, 7.5%)
CIE-LAB	lab(87.76, -10.42, 59.71)
CIE-LCH	lch(87.76, 60.61, 99.90°)
OKLab	oklab(89.09% -0.0325 0.1384)
OKLCH	oklch(89.09% 0.142 103.2)
XYZ	xyz(63.3802, 71.5698, 23.0436)
Luminance	0.7157 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDF66 #6673EC

analogous

#EC9C66 #ECDF66 #B6EC66

triadic

#ECDF66 #66ECDF #DF66EC

tetradic

#ECDF66 #66EC9C #6673EC #EC66B6

square

#ECDF66 #66EC9C #6673EC #EC66B6

split-complementary

#ECDF66 #66B6EC #9C66EC

monochromatic

#C0AF18 #E5D430 #ECDF66 #F3EA9C #FAF6D3

Accessibility & contrast

On white

1.37

#ECDF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.31

#ECDF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDF66

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDF66	#FFFFFF	#000000	##000000
##ECDF66	1.00	1.37	15.31	15.31
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.31	21.00	1.00	1.00
##000000	15.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D859

Deuteranopia (green-blind)

#F5DF6C

Tritanopia (blue-blind)

#FCD1C4

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #ecdf66;
/* rgb */ color: rgb(236, 223, 102);
/* oklch */ color: oklch(89.1% 0.142 103.2);

Tailwind

colors: {
  custom: {
    50: '#f5e895',
    500: '#ecdf66',
    950: '#000000',
  },
}

SCSS

$custom: #ecdf66;
$custom-light: #f5e895;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdf66",
  "rgb": {
    "r": 236,
    "g": 223,
    "b": 102
  },
  "hsl": {
    "h": 54.179,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8909,
    "c": 0.14214,
    "h": 103.2
  },
  "luminance": 0.71568
}

Semantic roles & 50–950 ramp

primary

#ECDF66

secondary

#3845BE

accent

#1FDA0B

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #ECDF66

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

Preview Lab → · Contrast checker → · Palette generator →