#ECF172#ECF172

#ECF172 is a very light, vivid yellow. Relative luminance 0.820; OKLCH L 92.9% C 0.150 H 111.0°. Best body text is #000000 at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#ECF172
RGB	rgb(236, 241, 114)
HSL	hsl(62, 82%, 70%)
HSV	hsv(62, 53%, 95%)
CMYK	cmyk(2.1%, 0%, 52.7%, 5.5%)
CIE-LAB	lab(92.56, -18.36, 59.84)
CIE-LCH	lch(92.56, 62.59, 107.06°)
OKLab	oklab(92.95% -0.0538 0.14)
OKLCH	oklch(92.95% 0.15 111)
XYZ	xyz(69.0862, 81.9599, 28.0968)
Luminance	0.8196 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF172 #7772F1

analogous

#F1B672 #ECF172 #ADF172

triadic

#ECF172 #72ECF1 #F172EC

tetradic

#ECF172 #72F1B6 #7772F1 #F172AD

square

#ECF172 #72F1B6 #7772F1 #F172AD

split-complementary

#ECF172 #72ADF1 #B672F1

monochromatic

#CCD415 #E4EB3A #ECF172 #F4F7AA #FBFCE1

Accessibility & contrast

On white

1.21

#ECF172 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.39

#ECF172 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF172

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF172	#FFFFFF	#000000	##000000
##ECF172	1.00	1.21	17.39	17.39
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.39	21.00	1.00	1.00
##000000	17.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE865

Deuteranopia (green-blind)

#FFEB79

Tritanopia (blue-blind)

#FAE4D5

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf172;
/* rgb */ color: rgb(236, 241, 114);
/* oklch */ color: oklch(92.9% 0.150 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f59e',
    500: '#ecf172',
    950: '#000000',
  },
}

SCSS

$custom: #ecf172;
$custom-light: #f4f59e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf172",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 114
  },
  "hsl": {
    "h": 62.362,
    "s": 81.935,
    "l": 69.608
  },
  "oklch": {
    "l": 0.92947,
    "c": 0.14994,
    "h": 111
  },
  "luminance": 0.81958
}

Semantic roles & 50–950 ramp

primary

#ECF172

secondary

#423DCA

accent

#07DE10

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF172

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

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