#ECFC8F#ECFC8F

#ECFC8F is a very light, vivid yellow. Relative luminance 0.894; OKLCH L 95.6% C 0.135 H 115.9°. Best body text is #000000 at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC8F
RGB	rgb(236, 252, 143)
HSL	hsl(69, 95%, 77%)
HSV	hsv(69, 43%, 99%)
CMYK	cmyk(6.3%, 0%, 43.3%, 1.2%)
CIE-LAB	lab(95.76, -21.01, 50.26)
CIE-LCH	lch(95.76, 54.48, 112.69°)
OKLab	oklab(95.61% -0.0587 0.1212)
OKLCH	oklch(95.61% 0.135 115.9)
XYZ	xyz(74.3611, 89.4376, 39.3271)
Luminance	0.8944 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC8F #9F8FFC

analogous

#FCD58F #ECFC8F #B6FC8F

triadic

#ECFC8F #8FECFC #FC8FEC

tetradic

#ECFC8F #8FFCD5 #9F8FFC #FC8FB6

square

#ECFC8F #8FFCD5 #9F8FFC #FC8FB6

split-complementary

#ECFC8F #8FB6FC #D58FFC

monochromatic

#D8F918 #E2FA53 #ECFC8F #F6FECB #FAFEE1

Accessibility & contrast

On white

1.11

#ECFC8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.89

#ECFC8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC8F

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC8F	#FFFFFF	#000000	##000000
##ECFC8F	1.00	1.11	18.89	18.89
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.89	21.00	1.00	1.00
##000000	18.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF286

Deuteranopia (green-blind)

#FFF494

Tritanopia (blue-blind)

#F7F1E2

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfc8f;
/* rgb */ color: rgb(236, 252, 143);
/* oklch */ color: oklch(95.6% 0.135 115.9);

Tailwind

colors: {
  custom: {
    50: '#f4fdb1',
    500: '#ecfc8f',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc8f;
$custom-light: #f4fdb1;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc8f",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 143
  },
  "hsl": {
    "h": 68.807,
    "s": 94.783,
    "l": 77.451
  },
  "oklch": {
    "l": 0.95613,
    "c": 0.13471,
    "h": 115.9
  },
  "luminance": 0.89437
}

Semantic roles & 50–950 ramp

primary

#ECFC8F

secondary

#6753DC

accent

#00E622

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECFC8F

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

Preview Lab → · Contrast checker → · Palette generator →