#ECF28E#ECF28E

#ECF28E is a very light, vivid yellow. Relative luminance 0.833; OKLCH L 93.5% C 0.124 H 111.5°. Best body text is #000000 at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#ECF28E
RGB	rgb(236, 242, 142)
HSL	hsl(64, 79%, 75%)
HSV	hsv(64, 41%, 95%)
CMYK	cmyk(2.5%, 0%, 41.3%, 5.1%)
CIE-LAB	lab(93.14, -16.28, 47.47)
CIE-LCH	lch(93.14, 50.19, 108.93°)
OKLab	oklab(93.52% -0.0453 0.1149)
OKLCH	oklch(93.52% 0.124 111.5)
XYZ	xyz(71.2276, 83.2913, 37.9106)
Luminance	0.8329 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF28E #948EF2

analogous

#F2C68E #ECF28E #BAF28E

triadic

#ECF28E #8EECF2 #F28EEC

tetradic

#ECF28E #8EF2C6 #948EF2 #F28EBA

square

#ECF28E #8EF2C6 #948EF2 #F28EBA

split-complementary

#ECF28E #8EBAF2 #C68EF2

monochromatic

#DAE520 #E3EC57 #ECF28E #F5F8C5 #FAFCE4

Accessibility & contrast

On white

1.19

#ECF28E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.66

#ECF28E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF28E

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF28E	#FFFFFF	#000000	##000000
##ECF28E	1.00	1.19	17.66	17.66
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.66	21.00	1.00	1.00
##000000	17.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA86

Deuteranopia (green-blind)

#FFED93

Tritanopia (blue-blind)

#F8E7DA

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf28e;
/* rgb */ color: rgb(236, 242, 142);
/* oklch */ color: oklch(93.5% 0.124 111.5);

Tailwind

colors: {
  custom: {
    50: '#f3f6b0',
    500: '#ecf28e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf28e;
$custom-light: #f3f6b0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf28e",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 142
  },
  "hsl": {
    "h": 63.6,
    "s": 79.365,
    "l": 75.294
  },
  "oklch": {
    "l": 0.93518,
    "c": 0.12353,
    "h": 111.5
  },
  "luminance": 0.8329
}

Semantic roles & 50–950 ramp

primary

#ECF28E

secondary

#5D56CF

accent

#0ADC16

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171711

muted

#858581

Preview Lab

Preview with #ECF28E

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

Preview Lab → · Contrast checker → · Palette generator →