#ECDE66#ECDE66

#ECDE66 is a very light, vivid yellow. Relative luminance 0.710; OKLCH L 88.9% C 0.141 H 102.7°. Best body text is #000000 at 15.21:1 contrast (WCAG AA passes).

Color values

HEX	#ECDE66
RGB	rgb(236, 222, 102)
HSL	hsl(54, 78%, 66%)
HSV	hsv(54, 57%, 93%)
CMYK	cmyk(0%, 5.9%, 56.8%, 7.5%)
CIE-LAB	lab(87.50, -9.92, 59.42)
CIE-LCH	lch(87.50, 60.24, 99.48°)
OKLab	oklab(88.89% -0.031 0.1378)
OKLCH	oklch(88.89% 0.141 102.7)
XYZ	xyz(63.1138, 71.0370, 22.9548)
Luminance	0.7104 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDE66 #6674EC

analogous

#EC9B66 #ECDE66 #B7EC66

triadic

#ECDE66 #66ECDE #DE66EC

tetradic

#ECDE66 #66EC9B #6674EC #EC66B7

square

#ECDE66 #66EC9B #6674EC #EC66B7

split-complementary

#ECDE66 #66B7EC #9B66EC

monochromatic

#C0AE18 #E5D230 #ECDE66 #F3EA9C #FAF5D3

Accessibility & contrast

On white

1.38

#ECDE66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.21

#ECDE66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDE66

15.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDE66	#FFFFFF	#000000	##000000
##ECDE66	1.00	1.38	15.21	15.21
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.21	21.00	1.00	1.00
##000000	15.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D85A

Deuteranopia (green-blind)

#F4DE6C

Tritanopia (blue-blind)

#FCD0C4

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #ecde66;
/* rgb */ color: rgb(236, 222, 102);
/* oklch */ color: oklch(88.9% 0.141 102.7);

Tailwind

colors: {
  custom: {
    50: '#f5e895',
    500: '#ecde66',
    950: '#000000',
  },
}

SCSS

$custom: #ecde66;
$custom-light: #f5e895;
$custom-dark: #000000;

JSON

{
  "hex": "#ecde66",
  "rgb": {
    "r": 236,
    "g": 222,
    "b": 102
  },
  "hsl": {
    "h": 53.731,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.88885,
    "c": 0.14121,
    "h": 102.7
  },
  "luminance": 0.71035
}

Semantic roles & 50–950 ramp

primary

#ECDE66

secondary

#3846BE

accent

#21DA0B

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #ECDE66

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

Preview Lab → · Contrast checker → · Palette generator →