#ECF474#ECF474

#ECF474 is a very light, vivid yellow. Relative luminance 0.838; OKLCH L 93.6% C 0.151 H 112.2°. Best body text is #000000 at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#ECF474
RGB	rgb(236, 244, 116)
HSL	hsl(64, 85%, 71%)
HSV	hsv(64, 52%, 96%)
CMYK	cmyk(3.3%, 0%, 52.5%, 4.3%)
CIE-LAB	lab(93.36, -19.65, 59.87)
CIE-LCH	lch(93.36, 63.01, 108.17°)
OKLab	oklab(93.6% -0.0573 0.1402)
OKLCH	oklch(93.6% 0.151 112.2)
XYZ	xyz(70.0966, 83.7965, 29.0014)
Luminance	0.8379 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF474 #7C74F4

analogous

#F4BC74 #ECF474 #ACF474

triadic

#ECF474 #74ECF4 #F474EC

tetradic

#ECF474 #74F4BC #7C74F4 #F474AC

square

#ECF474 #74F4BC #7C74F4 #F474AC

split-complementary

#ECF474 #74ACF4 #BC74F4

monochromatic

#D0DC11 #E4F03B #ECF474 #F4F8AD #FBFDE3

Accessibility & contrast

On white

1.18

#ECF474 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.76

#ECF474 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF474

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF474	#FFFFFF	#000000	##000000
##ECF474	1.00	1.18	17.76	17.76
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.76	21.00	1.00	1.00
##000000	17.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA67

Deuteranopia (green-blind)

#FFEE7B

Tritanopia (blue-blind)

#FAE7D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf474;
/* rgb */ color: rgb(236, 244, 116);
/* oklch */ color: oklch(93.6% 0.151 112.2);

Tailwind

colors: {
  custom: {
    50: '#f4f79f',
    500: '#ecf474',
    950: '#000000',
  },
}

SCSS

$custom: #ecf474;
$custom-light: #f4f79f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf474",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 116
  },
  "hsl": {
    "h": 63.75,
    "s": 85.333,
    "l": 70.588
  },
  "oklch": {
    "l": 0.93596,
    "c": 0.15147,
    "h": 112.2
  },
  "luminance": 0.83795
}

Semantic roles & 50–950 ramp

primary

#ECF474

secondary

#473ECE

accent

#04E212

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF474

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

Preview Lab → · Contrast checker → · Palette generator →