#ECDD66#ECDD66

#ECDD66 is a very light, vivid yellow. Relative luminance 0.705; OKLCH L 88.7% C 0.140 H 102.2°. Best body text is #000000 at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#ECDD66
RGB	rgb(236, 221, 102)
HSL	hsl(53, 78%, 66%)
HSV	hsv(53, 57%, 93%)
CMYK	cmyk(0%, 6.4%, 56.8%, 7.5%)
CIE-LAB	lab(87.25, -9.42, 59.13)
CIE-LCH	lch(87.25, 59.87, 99.05°)
OKLab	oklab(88.68% -0.0296 0.1371)
OKLCH	oklch(88.68% 0.14 102.2)
XYZ	xyz(62.8490, 70.5074, 22.8665)
Luminance	0.7050 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDD66 #6675EC

analogous

#EC9A66 #ECDD66 #B8EC66

triadic

#ECDD66 #66ECDD #DD66EC

tetradic

#ECDD66 #66EC9A #6675EC #EC66B8

square

#ECDD66 #66EC9A #6675EC #EC66B8

split-complementary

#ECDD66 #66B8EC #9A66EC

monochromatic

#C0AD18 #E5D130 #ECDD66 #F3E99C #FAF5D3

Accessibility & contrast

On white

1.39

#ECDD66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.10

#ECDD66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDD66

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDD66	#FFFFFF	#000000	##000000
##ECDD66	1.00	1.39	15.10	15.10
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.10	21.00	1.00	1.00
##000000	15.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD75A

Deuteranopia (green-blind)

#F3DE6C

Tritanopia (blue-blind)

#FCCFC3

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #ecdd66;
/* rgb */ color: rgb(236, 221, 102);
/* oklch */ color: oklch(88.7% 0.140 102.2);

Tailwind

colors: {
  custom: {
    50: '#f5e795',
    500: '#ecdd66',
    950: '#000000',
  },
}

SCSS

$custom: #ecdd66;
$custom-light: #f5e795;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdd66",
  "rgb": {
    "r": 236,
    "g": 221,
    "b": 102
  },
  "hsl": {
    "h": 53.284,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8868,
    "c": 0.14029,
    "h": 102.2
  },
  "luminance": 0.70505
}

Semantic roles & 50–950 ramp

primary

#ECDD66

secondary

#3847BE

accent

#22DA0B

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #ECDD66

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

Preview Lab → · Contrast checker → · Palette generator →