#ECDD63#ECDD63

#ECDD63 is a very light, vivid yellow. Relative luminance 0.704; OKLCH L 88.6% C 0.143 H 102.3°. Best body text is #000000 at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#ECDD63
RGB	rgb(236, 221, 99)
HSL	hsl(53, 78%, 66%)
HSV	hsv(53, 58%, 93%)
CMYK	cmyk(0%, 6.4%, 58.1%, 7.5%)
CIE-LAB	lab(87.22, -9.63, 60.43)
CIE-LCH	lch(87.22, 61.19, 99.06°)
OKLab	oklab(88.65% -0.0305 0.1396)
OKLCH	oklch(88.65% 0.143 102.3)
XYZ	xyz(62.7029, 70.4490, 22.0971)
Luminance	0.7045 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDD63 #6372EC

analogous

#EC9863 #ECDD63 #B6EC63

triadic

#ECDD63 #63ECDD #DD63EC

tetradic

#ECDD63 #63EC98 #6372EC #EC63B6

square

#ECDD63 #63EC98 #6372EC #EC63B6

split-complementary

#ECDD63 #63B6EC #9863EC

monochromatic

#BEAB17 #E5D12C #ECDD63 #F3E99A #F9F5D0

Accessibility & contrast

On white

1.39

#ECDD63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.09

#ECDD63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDD63

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDD63	#FFFFFF	#000000	##000000
##ECDD63	1.00	1.39	15.09	15.09
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.09	21.00	1.00	1.00
##000000	15.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD756

Deuteranopia (green-blind)

#F4DE69

Tritanopia (blue-blind)

#FCCFC2

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #ecdd63;
/* rgb */ color: rgb(236, 221, 99);
/* oklch */ color: oklch(88.6% 0.143 102.3);

Tailwind

colors: {
  custom: {
    50: '#f5e793',
    500: '#ecdd63',
    950: '#000000',
  },
}

SCSS

$custom: #ecdd63;
$custom-light: #f5e793;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdd63",
  "rgb": {
    "r": 236,
    "g": 221,
    "b": 99
  },
  "hsl": {
    "h": 53.431,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.88649,
    "c": 0.14286,
    "h": 102.3
  },
  "luminance": 0.70447
}

Semantic roles & 50–950 ramp

primary

#ECDD63

secondary

#3746BC

accent

#22DB0B

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#17160D

muted

#85847F

Preview Lab

Preview with #ECDD63

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

Preview Lab → · Contrast checker → · Palette generator →