#ECDD59#ECDD59

#ECDD59 is a very light, vivid yellow. Relative luminance 0.703; OKLCH L 88.6% C 0.151 H 102.8°. Best body text is #000000 at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#ECDD59
RGB	rgb(236, 221, 89)
HSL	hsl(54, 79%, 64%)
HSV	hsv(54, 62%, 93%)
CMYK	cmyk(0%, 6.4%, 62.3%, 7.5%)
CIE-LAB	lab(87.13, -10.30, 64.63)
CIE-LCH	lch(87.13, 65.44, 99.05°)
OKLab	oklab(88.55% -0.0335 0.1472)
OKLCH	oklch(88.55% 0.151 102.8)
XYZ	xyz(62.2541, 70.2694, 19.7334)
Luminance	0.7027 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDD59 #5968EC

analogous

#EC9359 #ECDD59 #B1EC59

triadic

#ECDD59 #59ECDD #DD59EC

tetradic

#ECDD59 #59EC93 #5968EC #EC59B1

square

#ECDD59 #59EC93 #5968EC #EC59B1

split-complementary

#ECDD59 #59B1EC #9359EC

monochromatic

#B6A515 #E6D222 #ECDD59 #F2E890 #F9F3C7

Accessibility & contrast

On white

1.40

#ECDD59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.05

#ECDD59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDD59

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDD59	#FFFFFF	#000000	##000000
##ECDD59	1.00	1.40	15.05	15.05
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.05	21.00	1.00	1.00
##000000	15.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D649

Deuteranopia (green-blind)

#F4DD60

Tritanopia (blue-blind)

#FDCFC1

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #ecdd59;
/* rgb */ color: rgb(236, 221, 89);
/* oklch */ color: oklch(88.6% 0.151 102.8);

Tailwind

colors: {
  custom: {
    50: '#f5e78d',
    500: '#ecdd59',
    950: '#000000',
  },
}

SCSS

$custom: #ecdd59;
$custom-light: #f5e78d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdd59",
  "rgb": {
    "r": 236,
    "g": 221,
    "b": 89
  },
  "hsl": {
    "h": 53.878,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.88551,
    "c": 0.15095,
    "h": 102.8
  },
  "luminance": 0.70267
}

Semantic roles & 50–950 ramp

primary

#ECDD59

secondary

#3441B5

accent

#1FDC0A

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #ECDD59

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

Preview Lab → · Contrast checker → · Palette generator →