#ECF568#ECF568

#ECF568 is a very light, vivid yellow. Relative luminance 0.841; OKLCH L 93.7% C 0.163 H 112.5°. Best body text is #000000 at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#ECF568
RGB	rgb(236, 245, 104)
HSL	hsl(64, 88%, 68%)
HSV	hsv(64, 58%, 96%)
CMYK	cmyk(3.7%, 0%, 57.6%, 3.9%)
CIE-LAB	lab(93.51, -21.04, 65.27)
CIE-LCH	lch(93.51, 68.58, 107.87°)
OKLab	oklab(93.68% -0.0624 0.1505)
OKLCH	oklch(93.68% 0.163 112.5)
XYZ	xyz(69.7449, 84.1386, 25.6603)
Luminance	0.8414 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF568 #7168F5

analogous

#F5B768 #ECF568 #A5F568

triadic

#ECF568 #68ECF5 #F568EC

tetradic

#ECF568 #68F5B7 #7168F5 #F568A5

square

#ECF568 #68F5B7 #7168F5 #F568A5

split-complementary

#ECF568 #68A5F5 #B768F5

monochromatic

#C8D50E #E5F12F #ECF568 #F3F9A1 #FAFDDB

Accessibility & contrast

On white

1.18

#ECF568 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.83

#ECF568 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF568

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF568	#FFFFFF	#000000	##000000
##ECF568	1.00	1.18	17.83	17.83
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.83	21.00	1.00	1.00
##000000	17.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB58

Deuteranopia (green-blind)

#FFEE70

Tritanopia (blue-blind)

#FAE8D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf568;
/* rgb */ color: rgb(236, 245, 104);
/* oklch */ color: oklch(93.7% 0.163 112.5);

Tailwind

colors: {
  custom: {
    50: '#f5f898',
    500: '#ecf568',
    950: '#000000',
  },
}

SCSS

$custom: #ecf568;
$custom-light: #f5f898;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf568",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 104
  },
  "hsl": {
    "h": 63.83,
    "s": 87.578,
    "l": 68.431
  },
  "oklch": {
    "l": 0.93678,
    "c": 0.16293,
    "h": 112.5
  },
  "luminance": 0.84137
}

Semantic roles & 50–950 ramp

primary

#ECF568

secondary

#3D33CE

accent

#01E410

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF568

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

Preview Lab → · Contrast checker → · Palette generator →