#509B25#509B25

#509B25 is a mid, vivid yellow-green. Relative luminance 0.253; OKLCH L 61.8% C 0.167 H 136.7°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#509B25
RGB	rgb(80, 155, 37)
HSL	hsl(98, 61%, 38%)
HSV	hsv(98, 76%, 61%)
CMYK	cmyk(48.4%, 0%, 76.1%, 39.2%)
CIE-LAB	lab(57.35, -43.79, 51.12)
CIE-LCH	lch(57.35, 67.31, 130.58°)
OKLab	oklab(61.77% -0.1217 0.1145)
OKLCH	oklch(61.77% 0.167 136.7)
XYZ	xyz(15.3631, 25.2807, 5.8200)
Luminance	0.2528 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509B25 #70259B

analogous

#8B9B25 #509B25 #259B35

triadic

#509B25 #25509B #9B2550

tetradic

#509B25 #258B9B #70259B #9B3525

square

#509B25 #258B9B #70259B #9B3525

split-complementary

#509B25 #35259B #9B258B

monochromatic

#1D380D #366A19 #509B25 #69CC31 #8DD961

Accessibility & contrast

On white

3.47

#509B25 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#509B25 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509B25

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509B25	#FFFFFF	#000000	##000000
##509B25	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08E0B

Deuteranopia (green-blind)

#978731

Tritanopia (blue-blind)

#4C9584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #509b25;
/* rgb */ color: rgb(80, 155, 37);
/* oklch */ color: oklch(61.8% 0.167 136.7);

Tailwind

colors: {
  custom: {
    50: '#88b968',
    500: '#509b25',
    950: '#000000',
  },
}

SCSS

$custom: #509b25;
$custom-light: #88b968;
$custom-dark: #000000;

JSON

{
  "hex": "#509b25",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 37
  },
  "hsl": {
    "h": 98.136,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.61773,
    "c": 0.16709,
    "h": 136.7
  },
  "luminance": 0.25282
}

Semantic roles & 50–950 ramp

primary

#509B25

secondary

#9B5DBF

accent

#43E5AA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #509B25

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

Preview Lab → · Contrast checker → · Palette generator →