#ECF28D#ECF28D

#ECF28D is a very light, vivid yellow. Relative luminance 0.833; OKLCH L 93.5% C 0.125 H 111.5°. Best body text is #000000 at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#ECF28D
RGB	rgb(236, 242, 141)
HSL	hsl(64, 80%, 75%)
HSV	hsv(64, 42%, 95%)
CMYK	cmyk(2.5%, 0%, 41.7%, 5.1%)
CIE-LAB	lab(93.13, -16.38, 47.94)
CIE-LCH	lch(93.13, 50.66, 108.87°)
OKLab	oklab(93.5% -0.0457 0.1159)
OKLCH	oklch(93.5% 0.125 111.5)
XYZ	xyz(71.1529, 83.2614, 37.5169)
Luminance	0.8326 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF28D #938DF2

analogous

#F2C58D #ECF28D #BAF28D

triadic

#ECF28D #8DECF2 #F28DEC

tetradic

#ECF28D #8DF2C5 #938DF2 #F28DBA

square

#ECF28D #8DF2C5 #938DF2 #F28DBA

split-complementary

#ECF28D #8DBAF2 #C58DF2

monochromatic

#DAE51F #E3EC56 #ECF28D #F5F8C4 #FAFCE4

Accessibility & contrast

On white

1.19

#ECF28D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.65

#ECF28D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF28D

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF28D	#FFFFFF	#000000	##000000
##ECF28D	1.00	1.19	17.65	17.65
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.65	21.00	1.00	1.00
##000000	17.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA85

Deuteranopia (green-blind)

#FFED92

Tritanopia (blue-blind)

#F8E7DA

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf28d;
/* rgb */ color: rgb(236, 242, 141);
/* oklch */ color: oklch(93.5% 0.125 111.5);

Tailwind

colors: {
  custom: {
    50: '#f3f6b0',
    500: '#ecf28d',
    950: '#000000',
  },
}

SCSS

$custom: #ecf28d;
$custom-light: #f3f6b0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf28d",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 141
  },
  "hsl": {
    "h": 63.564,
    "s": 79.528,
    "l": 75.098
  },
  "oklch": {
    "l": 0.93503,
    "c": 0.12458,
    "h": 111.5
  },
  "luminance": 0.8326
}

Semantic roles & 50–950 ramp

primary

#ECF28D

secondary

#5C55CF

accent

#0ADC16

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171711

muted

#858581

Preview Lab

Preview with #ECF28D

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

Preview Lab → · Contrast checker → · Palette generator →