#ECF790#ECF790

#ECF790 is a very light, vivid yellow. Relative luminance 0.864; OKLCH L 94.6% C 0.127 H 113.8°. Best body text is #000000 at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#ECF790
RGB	rgb(236, 247, 144)
HSL	hsl(66, 87%, 77%)
HSV	hsv(66, 42%, 97%)
CMYK	cmyk(4.5%, 0%, 41.7%, 3.1%)
CIE-LAB	lab(94.47, -18.50, 48.17)
CIE-LCH	lch(94.47, 51.61, 111.01°)
OKLab	oklab(94.59% -0.0515 0.1166)
OKLCH	oklch(94.59% 0.127 113.8)
XYZ	xyz(72.8876, 86.3690, 39.2113)
Luminance	0.8637 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF790 #9B90F7

analogous

#F7CF90 #ECF790 #B9F790

triadic

#ECF790 #90ECF7 #F790EC

tetradic

#ECF790 #90F7CF #9B90F7 #F790B9

square

#ECF790 #90F7CF #9B90F7 #F790B9

split-complementary

#ECF790 #90B9F7 #CF90F7

monochromatic

#D8EF1E #E2F357 #ECF790 #F6FBC9 #FAFDE2

Accessibility & contrast

On white

1.15

#ECF790 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.27

#ECF790 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF790

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF790	#FFFFFF	#000000	##000000
##ECF790	1.00	1.15	18.27	18.27
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.27	21.00	1.00	1.00
##000000	18.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE88

Deuteranopia (green-blind)

#FFF095

Tritanopia (blue-blind)

#F7ECDE

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf790;
/* rgb */ color: rgb(236, 247, 144);
/* oklch */ color: oklch(94.6% 0.127 113.8);

Tailwind

colors: {
  custom: {
    50: '#f3f9b2',
    500: '#ecf790',
    950: '#000000',
  },
}

SCSS

$custom: #ecf790;
$custom-light: #f3f9b2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf790",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 144
  },
  "hsl": {
    "h": 66.408,
    "s": 86.555,
    "l": 76.667
  },
  "oklch": {
    "l": 0.94585,
    "c": 0.12747,
    "h": 113.8
  },
  "luminance": 0.86368
}

Semantic roles & 50–950 ramp

primary

#ECF790

secondary

#6356D5

accent

#02E31A

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF790

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

Preview Lab → · Contrast checker → · Palette generator →