#ECFC6C#ECFC6C

#ECFC6C is a very light, vivid yellow. Relative luminance 0.885; OKLCH L 95.2% C 0.167 H 114.9°. Best body text is #000000 at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC6C
RGB	rgb(236, 252, 108)
HSL	hsl(67, 96%, 71%)
HSV	hsv(67, 57%, 99%)
CMYK	cmyk(6.3%, 0%, 57.1%, 1.2%)
CIE-LAB	lab(95.39, -24.09, 65.66)
CIE-LCH	lch(95.39, 69.94, 110.15°)
OKLab	oklab(95.19% -0.0706 0.1518)
OKLCH	oklch(95.19% 0.167 114.9)
XYZ	xyz(72.1107, 88.5375, 27.4752)
Luminance	0.8854 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC6C #7C6CFC

analogous

#FCC46C #ECFC6C #A4FC6C

triadic

#ECFC6C #6CECFC #FC6CEC

tetradic

#ECFC6C #6CFCC4 #7C6CFC #FC6CA4

square

#ECFC6C #6CFCC4 #7C6CFC #FC6CA4

split-complementary

#ECFC6C #6CA4FC #C46CFC

monochromatic

#D0E905 #E4FB30 #ECFC6C #F4FDA8 #FBFEE1

Accessibility & contrast

On white

1.12

#ECFC6C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.71

#ECFC6C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC6C

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC6C	#FFFFFF	#000000	##000000
##ECFC6C	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)

#FFF15C

Deuteranopia (green-blind)

#FFF375

Tritanopia (blue-blind)

#F9EFDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc6c;
/* rgb */ color: rgb(236, 252, 108);
/* oklch */ color: oklch(95.2% 0.167 114.9);

Tailwind

colors: {
  custom: {
    50: '#f5fd9b',
    500: '#ecfc6c',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc6c;
$custom-light: #f5fd9b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc6c",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 108
  },
  "hsl": {
    "h": 66.667,
    "s": 96,
    "l": 70.588
  },
  "oklch": {
    "l": 0.95191,
    "c": 0.16741,
    "h": 114.9
  },
  "luminance": 0.88536
}

Semantic roles & 50–950 ramp

primary

#ECFC6C

secondary

#4735D7

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFC6C

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

Preview Lab → · Contrast checker → · Palette generator →