#ECF56D#ECF56D

#ECF56D is a very light, vivid yellow. Relative luminance 0.842; OKLCH L 93.7% C 0.159 H 112.6°. Best body text is #000000 at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#ECF56D
RGB	rgb(236, 245, 109)
HSL	hsl(64, 87%, 69%)
HSV	hsv(64, 56%, 96%)
CMYK	cmyk(3.7%, 0%, 55.5%, 3.9%)
CIE-LAB	lab(93.56, -20.68, 63.18)
CIE-LCH	lch(93.56, 66.48, 108.12°)
OKLab	oklab(93.73% -0.0609 0.1466)
OKLCH	oklch(93.73% 0.159 112.6)
XYZ	xyz(70.0064, 84.2432, 27.0378)
Luminance	0.8424 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF56D #766DF5

analogous

#F5BA6D #ECF56D #A8F56D

triadic

#ECF56D #6DECF5 #F56DEC

tetradic

#ECF56D #6DF5BA #766DF5 #F56DA8

square

#ECF56D #6DF5BA #766DF5 #F56DA8

split-complementary

#ECF56D #6DA8F5 #BA6DF5

monochromatic

#CBD90F #E5F134 #ECF56D #F3F9A6 #FBFDE0

Accessibility & contrast

On white

1.18

#ECF56D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.85

#ECF56D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF56D

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF56D	#FFFFFF	#000000	##000000
##ECF56D	1.00	1.18	17.85	17.85
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.85	21.00	1.00	1.00
##000000	17.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB5F

Deuteranopia (green-blind)

#FFEE75

Tritanopia (blue-blind)

#FAE8D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf56d;
/* rgb */ color: rgb(236, 245, 109);
/* oklch */ color: oklch(93.7% 0.159 112.6);

Tailwind

colors: {
  custom: {
    50: '#f5f89b',
    500: '#ecf56d',
    950: '#000000',
  },
}

SCSS

$custom: #ecf56d;
$custom-light: #f5f89b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf56d",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 109
  },
  "hsl": {
    "h": 63.971,
    "s": 87.179,
    "l": 69.412
  },
  "oklch": {
    "l": 0.93729,
    "c": 0.15874,
    "h": 112.6
  },
  "luminance": 0.84242
}

Semantic roles & 50–950 ramp

primary

#ECF56D

secondary

#4137CF

accent

#02E411

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF56D

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

Preview Lab → · Contrast checker → · Palette generator →