#9ECC37#9ECC37

#9ECC37 is a light, vivid yellow-green. Relative luminance 0.507; OKLCH L 78.5% C 0.178 H 125.5°. Best body text is #000000 at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#9ECC37
RGB	rgb(158, 204, 55)
HSL	hsl(79, 59%, 51%)
HSV	hsv(79, 73%, 80%)
CMYK	cmyk(22.5%, 0%, 73%, 20%)
CIE-LAB	lab(76.52, -35.73, 65.00)
CIE-LCH	lch(76.52, 74.17, 118.80°)
OKLab	oklab(78.54% -0.1033 0.1448)
OKLCH	oklch(78.54% 0.178 125.5)
XYZ	xyz(36.3833, 50.7302, 11.4888)
Luminance	0.5073 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECC37 #6537CC

analogous

#CCAF37 #9ECC37 #53CC37

triadic

#9ECC37 #379ECC #CC379E

tetradic

#9ECC37 #37CCAF #6537CC #CC3753

square

#9ECC37 #37CCAF #6537CC #CC3753

split-complementary

#9ECC37 #3753CC #AF37CC

monochromatic

#546D1C #799E28 #9ECC37 #B6D868 #CDE599

Accessibility & contrast

On white

1.88

#9ECC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.15

#9ECC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECC37

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECC37	#FFFFFF	#000000	##000000
##9ECC37	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)

#D7BE19

Deuteranopia (green-blind)

#D1BC45

Tritanopia (blue-blind)

#A5C2AF

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #9ecc37;
/* rgb */ color: rgb(158, 204, 55);
/* oklch */ color: oklch(78.5% 0.178 125.5);

Tailwind

colors: {
  custom: {
    50: '#bfdb78',
    500: '#9ecc37',
    950: '#000000',
  },
}

SCSS

$custom: #9ecc37;
$custom-light: #bfdb78;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecc37",
  "rgb": {
    "r": 158,
    "g": 204,
    "b": 55
  },
  "hsl": {
    "h": 78.523,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.78541,
    "c": 0.17789,
    "h": 125.5
  },
  "luminance": 0.50731
}

Semantic roles & 50–950 ramp

primary

#9ECC37

secondary

#463176

accent

#45E376

background

#FDFEFB

surface

#F9FCF1

border

#D2D5CB

text

#13150A

muted

#82847D

Preview Lab

Preview with #9ECC37

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

Preview Lab → · Contrast checker → · Palette generator →