#9ECC39#9ECC39

#9ECC39 is a light, vivid yellow-green. Relative luminance 0.507; OKLCH L 78.6% C 0.177 H 125.6°. Best body text is #000000 at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#9ECC39
RGB	rgb(158, 204, 57)
HSL	hsl(79, 59%, 51%)
HSV	hsv(79, 72%, 80%)
CMYK	cmyk(22.5%, 0%, 72.1%, 20%)
CIE-LAB	lab(76.53, -35.62, 64.32)
CIE-LCH	lch(76.53, 73.52, 118.98°)
OKLab	oklab(78.55% -0.1029 0.1437)
OKLCH	oklch(78.55% 0.177 125.6)
XYZ	xyz(36.4322, 50.7497, 11.7464)
Luminance	0.5075 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECC39 #6739CC

analogous

#CCB139 #9ECC39 #54CC39

triadic

#9ECC39 #399ECC #CC399E

tetradic

#9ECC39 #39CCB1 #6739CC #CC3954

square

#9ECC39 #39CCB1 #6739CC #CC3954

split-complementary

#9ECC39 #3954CC #B139CC

monochromatic

#556E1C #7A9F29 #9ECC39 #B6D96A #CEE59A

Accessibility & contrast

On white

1.88

#9ECC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.15

#9ECC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECC39

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECC39	#FFFFFF	#000000	##000000
##9ECC39	1.00	1.88	11.15	11.15
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.15	21.00	1.00	1.00
##000000	11.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF1E

Deuteranopia (green-blind)

#D1BC46

Tritanopia (blue-blind)

#A5C2B0

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #9ecc39;
/* rgb */ color: rgb(158, 204, 57);
/* oklch */ color: oklch(78.6% 0.177 125.6);

Tailwind

colors: {
  custom: {
    50: '#bedb79',
    500: '#9ecc39',
    950: '#000000',
  },
}

SCSS

$custom: #9ecc39;
$custom-light: #bedb79;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecc39",
  "rgb": {
    "r": 158,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 78.776,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78555,
    "c": 0.1767,
    "h": 125.6
  },
  "luminance": 0.5075
}

Semantic roles & 50–950 ramp

primary

#9ECC39

secondary

#483278

accent

#46E277

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #9ECC39

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

Preview Lab → · Contrast checker → · Palette generator →