#ECFC9F#ECFC9F

#ECFC9F is a very light, moderate yellow-green. Relative luminance 0.900; OKLCH L 95.9% C 0.118 H 116.6°. Best body text is #000000 at 18.99:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC9F
RGB	rgb(236, 252, 159)
HSL	hsl(70, 94%, 81%)
HSV	hsv(70, 37%, 99%)
CMYK	cmyk(6.3%, 0%, 36.9%, 1.2%)
CIE-LAB	lab(95.98, -19.28, 42.81)
CIE-LCH	lch(95.98, 46.95, 114.24°)
OKLab	oklab(95.86% -0.0527 0.1051)
OKLCH	oklch(95.86% 0.118 116.6)
XYZ	xyz(75.6607, 89.9575, 46.1718)
Luminance	0.8996 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC9F #AF9FFC

analogous

#FCDE9F #ECFC9F #BDFC9F

triadic

#ECFC9F #9FECFC #FC9FEC

tetradic

#ECFC9F #9FFCDE #AF9FFC #FC9FBD

square

#ECFC9F #9FFCDE #AF9FFC #FC9FBD

split-complementary

#ECFC9F #9FBDFC #DE9FFC

monochromatic

#D5F828 #E0FA64 #ECFC9F #F8FEDA #F9FEE1

Accessibility & contrast

On white

1.11

#ECFC9F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.99

#ECFC9F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC9F

18.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC9F	#FFFFFF	#000000	##000000
##ECFC9F	1.00	1.11	18.99	18.99
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.99	21.00	1.00	1.00
##000000	18.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF398

Deuteranopia (green-blind)

#FFF4A3

Tritanopia (blue-blind)

#F5F2E5

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfc9f;
/* rgb */ color: rgb(236, 252, 159);
/* oklch */ color: oklch(95.9% 0.118 116.6);

Tailwind

colors: {
  custom: {
    50: '#f3fdbc',
    500: '#ecfc9f',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc9f;
$custom-light: #f3fdbc;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc9f",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 159
  },
  "hsl": {
    "h": 70.323,
    "s": 93.939,
    "l": 80.588
  },
  "oklch": {
    "l": 0.95856,
    "c": 0.11758,
    "h": 116.6
  },
  "luminance": 0.89957
}

Semantic roles & 50–950 ramp

primary

#ECFC9F

secondary

#7661DE

accent

#00E627

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171712

muted

#858582

Preview Lab

Preview with #ECFC9F

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

Preview Lab → · Contrast checker → · Palette generator →