#ECF784#ECF784

#ECF784 is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.4% C 0.140 H 113.6°. Best body text is #000000 at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#ECF784
RGB	rgb(236, 247, 132)
HSL	hsl(66, 88%, 74%)
HSV	hsv(66, 47%, 97%)
CMYK	cmyk(4.5%, 0%, 46.6%, 3.1%)
CIE-LAB	lab(94.32, -19.69, 53.68)
CIE-LCH	lch(94.32, 57.18, 110.14°)
OKLab	oklab(94.42% -0.0559 0.1281)
OKLCH	oklch(94.42% 0.14 113.6)
XYZ	xyz(72.0188, 86.0214, 34.6352)
Luminance	0.8602 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF784 #8F84F7

analogous

#F7C984 #ECF784 #B3F784

triadic

#ECF784 #84ECF7 #F784EC

tetradic

#ECF784 #84F7C9 #8F84F7 #F784B3

square

#ECF784 #84F7C9 #8F84F7 #F784B3

split-complementary

#ECF784 #84B3F7 #C984F7

monochromatic

#DAF011 #E3F34B #ECF784 #F5FBBD #FBFDE2

Accessibility & contrast

On white

1.15

#ECF784 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.20

#ECF784 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF784

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF784	#FFFFFF	#000000	##000000
##ECF784	1.00	1.15	18.20	18.20
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.20	21.00	1.00	1.00
##000000	18.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED7A

Deuteranopia (green-blind)

#FFF08A

Tritanopia (blue-blind)

#F8EBDC

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf784;
/* rgb */ color: rgb(236, 247, 132);
/* oklch */ color: oklch(94.4% 0.140 113.6);

Tailwind

colors: {
  custom: {
    50: '#f4f9aa',
    500: '#ecf784',
    950: '#000000',
  },
}

SCSS

$custom: #ecf784;
$custom-light: #f4f9aa;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf784",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 132
  },
  "hsl": {
    "h": 65.739,
    "s": 87.786,
    "l": 74.314
  },
  "oklch": {
    "l": 0.94419,
    "c": 0.13976,
    "h": 113.6
  },
  "luminance": 0.8602
}

Semantic roles & 50–950 ramp

primary

#ECF784

secondary

#584BD4

accent

#01E417

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF784

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

Preview Lab → · Contrast checker → · Palette generator →