#ECF780#ECF780

#ECF780 is a very light, vivid yellow. Relative luminance 0.859; OKLCH L 94.4% C 0.144 H 113.5°. Best body text is #000000 at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#ECF780
RGB	rgb(236, 247, 128)
HSL	hsl(66, 88%, 74%)
HSV	hsv(66, 48%, 97%)
CMYK	cmyk(4.5%, 0%, 48.2%, 3.1%)
CIE-LAB	lab(94.28, -20.06, 55.49)
CIE-LCH	lch(94.28, 59.00, 109.88°)
OKLab	oklab(94.37% -0.0573 0.1318)
OKLCH	oklch(94.37% 0.144 113.5)
XYZ	xyz(71.7503, 85.9140, 33.2212)
Luminance	0.8591 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF780 #8B80F7

analogous

#F7C680 #ECF780 #B0F780

triadic

#ECF780 #80ECF7 #F780EC

tetradic

#ECF780 #80F7C6 #8B80F7 #F780B0

square

#ECF780 #80F7C6 #8B80F7 #F780B0

split-complementary

#ECF780 #80B0F7 #C680F7

monochromatic

#D9EE0F #E3F346 #ECF780 #F5FBBA #FBFDE2

Accessibility & contrast

On white

1.15

#ECF780 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.18

#ECF780 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF780

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF780	#FFFFFF	#000000	##000000
##ECF780	1.00	1.15	18.18	18.18
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.18	21.00	1.00	1.00
##000000	18.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED75

Deuteranopia (green-blind)

#FFF086

Tritanopia (blue-blind)

#F9EBDC

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf780;
/* rgb */ color: rgb(236, 247, 128);
/* oklch */ color: oklch(94.4% 0.144 113.5);

Tailwind

colors: {
  custom: {
    50: '#f4f9a7',
    500: '#ecf780',
    950: '#000000',
  },
}

SCSS

$custom: #ecf780;
$custom-light: #f4f9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf780",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 128
  },
  "hsl": {
    "h": 65.546,
    "s": 88.148,
    "l": 73.529
  },
  "oklch": {
    "l": 0.94367,
    "c": 0.14367,
    "h": 113.5
  },
  "luminance": 0.85913
}

Semantic roles & 50–950 ramp

primary

#ECF780

secondary

#5548D4

accent

#01E516

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF780

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

Preview Lab → · Contrast checker → · Palette generator →