#ECF466#ECF466

#ECF466 is a very light, vivid yellow. Relative luminance 0.835; OKLCH L 93.4% C 0.163 H 112.2°. Best body text is #000000 at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#ECF466
RGB	rgb(236, 244, 102)
HSL	hsl(63, 87%, 68%)
HSV	hsv(63, 58%, 96%)
CMYK	cmyk(3.3%, 0%, 58.2%, 4.3%)
CIE-LAB	lab(93.23, -20.71, 65.81)
CIE-LCH	lch(93.23, 68.99, 107.47°)
OKLab	oklab(93.45% -0.0617 0.1514)
OKLCH	oklch(93.45% 0.163 112.2)
XYZ	xyz(69.3428, 83.4950, 25.0311)
Luminance	0.8349 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF466 #6E66F4

analogous

#F4B566 #ECF466 #A5F466

triadic

#ECF466 #66ECF4 #F466EC

tetradic

#ECF466 #66F4B5 #6E66F4 #F466A5

square

#ECF466 #66F4B5 #6E66F4 #F466A5

split-complementary

#ECF466 #66A5F4 #B566F4

monochromatic

#C6D10F #E5F02D #ECF466 #F3F89F #FAFCD8

Accessibility & contrast

On white

1.19

#ECF466 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.70

#ECF466 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF466

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF466	#FFFFFF	#000000	##000000
##ECF466	1.00	1.19	17.70	17.70
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.70	21.00	1.00	1.00
##000000	17.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA56

Deuteranopia (green-blind)

#FFED6F

Tritanopia (blue-blind)

#FAE7D6

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf466;
/* rgb */ color: rgb(236, 244, 102);
/* oklch */ color: oklch(93.4% 0.163 112.2);

Tailwind

colors: {
  custom: {
    50: '#f5f797',
    500: '#ecf466',
    950: '#000000',
  },
}

SCSS

$custom: #ecf466;
$custom-light: #f5f797;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf466",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 102
  },
  "hsl": {
    "h": 63.38,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.93449,
    "c": 0.16348,
    "h": 112.2
  },
  "luminance": 0.83494
}

Semantic roles & 50–950 ramp

primary

#ECF466

secondary

#3B32CC

accent

#02E30F

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF466

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

Preview Lab → · Contrast checker → · Palette generator →