#ECF56A#ECF56A

#ECF56A is a very light, vivid yellow. Relative luminance 0.842; OKLCH L 93.7% C 0.161 H 112.5°. Best body text is #000000 at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#ECF56A
RGB	rgb(236, 245, 106)
HSL	hsl(64, 87%, 69%)
HSV	hsv(64, 57%, 96%)
CMYK	cmyk(3.7%, 0%, 56.7%, 3.9%)
CIE-LAB	lab(93.53, -20.90, 64.44)
CIE-LCH	lch(93.53, 67.75, 107.97°)
OKLab	oklab(93.7% -0.0618 0.149)
OKLCH	oklch(93.7% 0.161 112.5)
XYZ	xyz(69.8476, 84.1797, 26.2017)
Luminance	0.8418 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF56A #736AF5

analogous

#F5B96A #ECF56A #A7F56A

triadic

#ECF56A #6AECF5 #F56AEC

tetradic

#ECF56A #6AF5B9 #736AF5 #F56AA7

square

#ECF56A #6AF5B9 #736AF5 #F56AA7

split-complementary

#ECF56A #6AA7F5 #B96AF5

monochromatic

#C9D60E #E5F131 #ECF56A #F3F9A3 #FBFDDD

Accessibility & contrast

On white

1.18

#ECF56A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.84

#ECF56A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF56A

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF56A	#FFFFFF	#000000	##000000
##ECF56A	1.00	1.18	17.84	17.84
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.84	21.00	1.00	1.00
##000000	17.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB5B

Deuteranopia (green-blind)

#FFEE72

Tritanopia (blue-blind)

#FAE8D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf56a;
/* rgb */ color: rgb(236, 245, 106);
/* oklch */ color: oklch(93.7% 0.161 112.5);

Tailwind

colors: {
  custom: {
    50: '#f5f899',
    500: '#ecf56a',
    950: '#000000',
  },
}

SCSS

$custom: #ecf56a;
$custom-light: #f5f899;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf56a",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 106
  },
  "hsl": {
    "h": 63.885,
    "s": 87.421,
    "l": 68.824
  },
  "oklch": {
    "l": 0.93698,
    "c": 0.16128,
    "h": 112.5
  },
  "luminance": 0.84178
}

Semantic roles & 50–950 ramp

primary

#ECF56A

secondary

#3F35CE

accent

#02E410

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF56A

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

Preview Lab → · Contrast checker → · Palette generator →