#ECF572#ECF572

#ECF572 is a very light, vivid yellow. Relative luminance 0.844; OKLCH L 93.8% C 0.154 H 112.6°. Best body text is #000000 at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#ECF572
RGB	rgb(236, 245, 114)
HSL	hsl(64, 87%, 70%)
HSV	hsv(64, 53%, 96%)
CMYK	cmyk(3.7%, 0%, 53.5%, 3.9%)
CIE-LAB	lab(93.60, -20.29, 61.04)
CIE-LCH	lch(93.60, 64.33, 108.39°)
OKLab	oklab(93.78% -0.0593 0.1426)
OKLCH	oklch(93.78% 0.154 112.6)
XYZ	xyz(70.2832, 84.3539, 28.4958)
Luminance	0.8435 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF572 #7B72F5

analogous

#F5BC72 #ECF572 #AAF572

triadic

#ECF572 #72ECF5 #F572EC

tetradic

#ECF572 #72F5BC #7B72F5 #F572AA

square

#ECF572 #72F5BC #7B72F5 #F572AA

split-complementary

#ECF572 #72AAF5 #BC72F5

monochromatic

#CFDD10 #E4F139 #ECF572 #F4F9AB #FBFDE2

Accessibility & contrast

On white

1.18

#ECF572 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.87

#ECF572 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF572

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF572	#FFFFFF	#000000	##000000
##ECF572	1.00	1.18	17.87	17.87
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.87	21.00	1.00	1.00
##000000	17.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB65

Deuteranopia (green-blind)

#FFEE79

Tritanopia (blue-blind)

#FAE8D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf572;
/* rgb */ color: rgb(236, 245, 114);
/* oklch */ color: oklch(93.8% 0.154 112.6);

Tailwind

colors: {
  custom: {
    50: '#f4f89e',
    500: '#ecf572',
    950: '#000000',
  },
}

SCSS

$custom: #ecf572;
$custom-light: #f4f89e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf572",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 114
  },
  "hsl": {
    "h": 64.122,
    "s": 86.755,
    "l": 70.392
  },
  "oklch": {
    "l": 0.93783,
    "c": 0.15439,
    "h": 112.6
  },
  "luminance": 0.84353
}

Semantic roles & 50–950 ramp

primary

#ECF572

secondary

#463CCF

accent

#02E312

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF572

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

Preview Lab → · Contrast checker → · Palette generator →