#ECF372#ECF372

#ECF372 is a very light, vivid yellow. Relative luminance 0.831; OKLCH L 93.4% C 0.152 H 111.8°. Best body text is #000000 at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#ECF372
RGB	rgb(236, 243, 114)
HSL	hsl(63, 84%, 70%)
HSV	hsv(63, 53%, 95%)
CMYK	cmyk(2.9%, 0%, 53.1%, 4.7%)
CIE-LAB	lab(93.08, -19.33, 60.44)
CIE-LCH	lch(93.08, 63.46, 107.73°)
OKLab	oklab(93.37% -0.0566 0.1412)
OKLCH	oklch(93.37% 0.152 111.8)
XYZ	xyz(69.6815, 83.1504, 28.2952)
Luminance	0.8315 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF372 #7972F3

analogous

#F3BA72 #ECF372 #ABF372

triadic

#ECF372 #72ECF3 #F372EC

tetradic

#ECF372 #72F3BA #7972F3 #F372AB

square

#ECF372 #72F3BA #7972F3 #F372AB

split-complementary

#ECF372 #72ABF3 #BA72F3

monochromatic

#CDD812 #E4EE3A #ECF372 #F4F8AA #FBFDE3

Accessibility & contrast

On white

1.19

#ECF372 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.63

#ECF372 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF372

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF372	#FFFFFF	#000000	##000000
##ECF372	1.00	1.19	17.63	17.63
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.63	21.00	1.00	1.00
##000000	17.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE965

Deuteranopia (green-blind)

#FFED79

Tritanopia (blue-blind)

#FAE6D6

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf372;
/* rgb */ color: rgb(236, 243, 114);
/* oklch */ color: oklch(93.4% 0.152 111.8);

Tailwind

colors: {
  custom: {
    50: '#f4f69e',
    500: '#ecf372',
    950: '#000000',
  },
}

SCSS

$custom: #ecf372;
$custom-light: #f4f69e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf372",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 114
  },
  "hsl": {
    "h": 63.256,
    "s": 84.314,
    "l": 70
  },
  "oklch": {
    "l": 0.93365,
    "c": 0.15215,
    "h": 111.8
  },
  "luminance": 0.83149
}

Semantic roles & 50–950 ramp

primary

#ECF372

secondary

#443CCD

accent

#05E111

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF372

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

Preview Lab → · Contrast checker → · Palette generator →