#ECFC6D#ECFC6D

#ECFC6D is a very light, vivid yellow. Relative luminance 0.886; OKLCH L 95.2% C 0.167 H 115.0°. Best body text is #000000 at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC6D
RGB	rgb(236, 252, 109)
HSL	hsl(67, 96%, 71%)
HSV	hsv(67, 57%, 99%)
CMYK	cmyk(6.3%, 0%, 56.7%, 1.2%)
CIE-LAB	lab(95.40, -24.01, 65.25)
CIE-LCH	lch(95.40, 69.53, 110.21°)
OKLab	oklab(95.2% -0.0703 0.151)
OKLCH	oklch(95.2% 0.167 115)
XYZ	xyz(72.1642, 88.5589, 27.7570)
Luminance	0.8856 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC6D #7D6DFC

analogous

#FCC46D #ECFC6D #A4FC6D

triadic

#ECFC6D #6DECFC #FC6DEC

tetradic

#ECFC6D #6DFCC4 #7D6DFC #FC6DA4

square

#ECFC6D #6DFCC4 #7D6DFC #FC6DA4

split-complementary

#ECFC6D #6DA4FC #C46DFC

monochromatic

#D0EA05 #E4FB31 #ECFC6D #F4FDA9 #FBFEE1

Accessibility & contrast

On white

1.12

#ECFC6D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.71

#ECFC6D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC6D

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC6D	#FFFFFF	#000000	##000000
##ECFC6D	1.00	1.12	18.71	18.71
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.71	21.00	1.00	1.00
##000000	18.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF15E

Deuteranopia (green-blind)

#FFF376

Tritanopia (blue-blind)

#F9EFDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc6d;
/* rgb */ color: rgb(236, 252, 109);
/* oklch */ color: oklch(95.2% 0.167 115.0);

Tailwind

colors: {
  custom: {
    50: '#f5fd9b',
    500: '#ecfc6d',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc6d;
$custom-light: #f5fd9b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc6d",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 109
  },
  "hsl": {
    "h": 66.713,
    "s": 95.973,
    "l": 70.784
  },
  "oklch": {
    "l": 0.95201,
    "c": 0.16658,
    "h": 115
  },
  "luminance": 0.88558
}

Semantic roles & 50–950 ramp

primary

#ECFC6D

secondary

#4836D7

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFC6D

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

Preview Lab → · Contrast checker → · Palette generator →