#509A27#509A27

#509A27 is a mid, vivid yellow-green. Relative luminance 0.250; OKLCH L 61.5% C 0.165 H 136.8°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#509A27
RGB	rgb(80, 154, 39)
HSL	hsl(99, 60%, 38%)
HSV	hsv(99, 75%, 60%)
CMYK	cmyk(48.1%, 0%, 74.7%, 39.6%)
CIE-LAB	lab(57.04, -43.25, 50.10)
CIE-LCH	lch(57.04, 66.18, 130.80°)
OKLab	oklab(61.52% -0.1201 0.1127)
OKLCH	oklch(61.52% 0.165 136.8)
XYZ	xyz(15.2296, 24.9621, 5.9347)
Luminance	0.2496 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509A27 #71279A

analogous

#899A27 #509A27 #279A38

triadic

#509A27 #27509A #9A2750

tetradic

#509A27 #27899A #71279A #9A3827

square

#509A27 #27899A #71279A #9A3827

split-complementary

#509A27 #38279A #9A2789

monochromatic

#1D380E #37691B #509A27 #69CB33 #8DD864

Accessibility & contrast

On white

3.50

#509A27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#509A27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509A27

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509A27	#FFFFFF	#000000	##000000
##509A27	1.00	3.50	5.99	5.99
#FFFFFF	3.50	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8D11

Deuteranopia (green-blind)

#968733

Tritanopia (blue-blind)

#4C9484

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #509a27;
/* rgb */ color: rgb(80, 154, 39);
/* oklch */ color: oklch(61.5% 0.165 136.8);

Tailwind

colors: {
  custom: {
    50: '#88b869',
    500: '#509a27',
    950: '#000000',
  },
}

SCSS

$custom: #509a27;
$custom-light: #88b869;
$custom-dark: #000000;

JSON

{
  "hex": "#509a27",
  "rgb": {
    "r": 80,
    "g": 154,
    "b": 39
  },
  "hsl": {
    "h": 98.609,
    "s": 59.585,
    "l": 37.843
  },
  "oklch": {
    "l": 0.61522,
    "c": 0.16466,
    "h": 136.8
  },
  "luminance": 0.24963
}

Semantic roles & 50–950 ramp

primary

#509A27

secondary

#9C5FBD

accent

#45E3AB

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #509A27

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

Preview Lab → · Contrast checker → · Palette generator →