#ECF593#ECF593

#ECF593 is a very light, vivid yellow. Relative luminance 0.852; OKLCH L 94.2% C 0.122 H 113.0°. Best body text is #000000 at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#ECF593
RGB	rgb(236, 245, 147)
HSL	hsl(66, 83%, 77%)
HSV	hsv(66, 40%, 96%)
CMYK	cmyk(3.7%, 0%, 40%, 3.9%)
CIE-LAB	lab(93.99, -17.22, 46.12)
CIE-LCH	lch(93.99, 49.23, 110.47°)
OKLab	oklab(94.22% -0.0476 0.1121)
OKLCH	oklch(94.22% 0.122 113)
XYZ	xyz(72.5117, 85.2453, 40.2322)
Luminance	0.8524 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF593 #9C93F5

analogous

#F5CD93 #ECF593 #BBF593

triadic

#ECF593 #93ECF5 #F593EC

tetradic

#ECF593 #93F5CD #9C93F5 #F593BB

square

#ECF593 #93F5CD #9C93F5 #F593BB

split-complementary

#ECF593 #93BBF5 #CD93F5

monochromatic

#D8EB23 #E2F05B #ECF593 #F6FACB #FAFCE3

Accessibility & contrast

On white

1.16

#ECF593 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.05

#ECF593 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF593

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF593	#FFFFFF	#000000	##000000
##ECF593	1.00	1.16	18.05	18.05
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.05	21.00	1.00	1.00
##000000	18.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED8B

Deuteranopia (green-blind)

#FFEF98

Tritanopia (blue-blind)

#F7EBDD

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf593;
/* rgb */ color: rgb(236, 245, 147);
/* oklch */ color: oklch(94.2% 0.122 113.0);

Tailwind

colors: {
  custom: {
    50: '#f3f8b4',
    500: '#ecf593',
    950: '#000000',
  },
}

SCSS

$custom: #ecf593;
$custom-light: #f3f8b4;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf593",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 147
  },
  "hsl": {
    "h": 65.51,
    "s": 83.051,
    "l": 76.863
  },
  "oklch": {
    "l": 0.94215,
    "c": 0.12181,
    "h": 113
  },
  "luminance": 0.85244
}

Semantic roles & 50–950 ramp

primary

#ECF593

secondary

#6459D3

accent

#06DF1A

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF593

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

Preview Lab → · Contrast checker → · Palette generator →