#509A1B#509A1B

#509A1B is a mid, vivid yellow-green. Relative luminance 0.249; OKLCH L 61.4% C 0.171 H 135.9°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#509A1B
RGB	rgb(80, 154, 27)
HSL	hsl(95, 70%, 35%)
HSV	hsv(95, 82%, 60%)
CMYK	cmyk(48.1%, 0%, 82.5%, 39.6%)
CIE-LAB	lab(56.97, -43.97, 53.97)
CIE-LCH	lch(56.97, 69.61, 129.17°)
OKLab	oklab(61.45% -0.1228 0.119)
OKLCH	oklch(61.45% 0.171 135.9)
XYZ	xyz(15.0613, 24.8948, 5.0482)
Luminance	0.2490 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509A1B #651B9A

analogous

#8F9A1B #509A1B #1B9A26

triadic

#509A1B #1B509A #9A1B50

tetradic

#509A1B #1B8F9A #651B9A #9A261B

square

#509A1B #1B8F9A #651B9A #9A261B

split-complementary

#509A1B #261B9A #9A1B8F

monochromatic

#1A3209 #356612 #509A1B #6BCE24 #8CE04F

Accessibility & contrast

On white

3.51

#509A1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#509A1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509A1B

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509A1B	#FFFFFF	#000000	##000000
##509A1B	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D00

Deuteranopia (green-blind)

#96862A

Tritanopia (blue-blind)

#4D9483

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #509a1b;
/* rgb */ color: rgb(80, 154, 27);
/* oklch */ color: oklch(61.4% 0.171 135.9);

Tailwind

colors: {
  custom: {
    50: '#89b864',
    500: '#509a1b',
    950: '#000000',
  },
}

SCSS

$custom: #509a1b;
$custom-light: #89b864;
$custom-dark: #000000;

JSON

{
  "hex": "#509a1b",
  "rgb": {
    "r": 80,
    "g": 154,
    "b": 27
  },
  "hsl": {
    "h": 94.961,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.61447,
    "c": 0.17096,
    "h": 135.9
  },
  "luminance": 0.24896
}

Semantic roles & 50–950 ramp

primary

#509A1B

secondary

#924EC3

accent

#3BEDA3

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #509A1B

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

Preview Lab → · Contrast checker → · Palette generator →