#ECDF5B#ECDF5B

#ECDF5B is a very light, vivid yellow. Relative luminance 0.714; OKLCH L 89.0% C 0.151 H 103.7°. Best body text is #000000 at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#ECDF5B
RGB	rgb(236, 223, 91)
HSL	hsl(55, 79%, 64%)
HSV	hsv(55, 61%, 93%)
CMYK	cmyk(0%, 5.5%, 61.4%, 7.5%)
CIE-LAB	lab(87.66, -11.17, 64.36)
CIE-LCH	lch(87.66, 65.33, 99.84°)
OKLab	oklab(88.98% -0.0358 0.1469)
OKLCH	oklch(88.98% 0.151 103.7)
XYZ	xyz(62.8704, 71.3659, 20.3588)
Luminance	0.7136 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDF5B #5B68EC

analogous

#EC975B #ECDF5B #B1EC5B

triadic

#ECDF5B #5BECDF #DF5BEC

tetradic

#ECDF5B #5BEC97 #5B68EC #EC5BB1

square

#ECDF5B #5BEC97 #5B68EC #EC5BB1

split-complementary

#ECDF5B #5BB1EC #975BEC

monochromatic

#B7A915 #E6D424 #ECDF5B #F2EA92 #F9F4C9

Accessibility & contrast

On white

1.37

#ECDF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.27

#ECDF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDF5B

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDF5B	#FFFFFF	#000000	##000000
##ECDF5B	1.00	1.37	15.27	15.27
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.27	21.00	1.00	1.00
##000000	15.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D84B

Deuteranopia (green-blind)

#F6DF62

Tritanopia (blue-blind)

#FCD1C3

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #ecdf5b;
/* rgb */ color: rgb(236, 223, 91);
/* oklch */ color: oklch(89.0% 0.151 103.7);

Tailwind

colors: {
  custom: {
    50: '#f5e88f',
    500: '#ecdf5b',
    950: '#000000',
  },
}

SCSS

$custom: #ecdf5b;
$custom-light: #f5e88f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdf5b",
  "rgb": {
    "r": 236,
    "g": 223,
    "b": 91
  },
  "hsl": {
    "h": 54.621,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.8898,
    "c": 0.1512,
    "h": 103.7
  },
  "luminance": 0.71364
}

Semantic roles & 50–950 ramp

primary

#ECDF5B

secondary

#3440B7

accent

#1DDC0A

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #ECDF5B

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

Preview Lab → · Contrast checker → · Palette generator →