#51972B#51972B

#51972B is a mid, vivid yellow-green. Relative luminance 0.241; OKLCH L 60.8% C 0.158 H 136.7°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#51972B
RGB	rgb(81, 151, 43)
HSL	hsl(99, 56%, 38%)
HSV	hsv(99, 72%, 59%)
CMYK	cmyk(46.4%, 0%, 71.5%, 40.8%)
CIE-LAB	lab(56.14, -41.39, 47.68)
CIE-LCH	lch(56.14, 63.14, 130.96°)
OKLab	oklab(60.81% -0.1148 0.1082)
OKLCH	oklch(60.81% 0.158 136.7)
XYZ	xyz(14.8956, 24.0560, 6.1434)
Luminance	0.2406 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51972B #712B97

analogous

#87972B #51972B #2B973B

triadic

#51972B #2B5197 #972B51

tetradic

#51972B #2B8797 #712B97 #973B2B

square

#51972B #2B8797 #712B97 #973B2B

split-complementary

#51972B #3B2B97 #972B87

monochromatic

#1E3810 #37671D #51972B #6BC739 #8ED468

Accessibility & contrast

On white

3.61

#51972B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#51972B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51972B

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51972B	#FFFFFF	#000000	##000000
##51972B	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8A1A

Deuteranopia (green-blind)

#938435

Tritanopia (blue-blind)

#4E9182

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #51972b;
/* rgb */ color: rgb(81, 151, 43);
/* oklch */ color: oklch(60.8% 0.158 136.7);

Tailwind

colors: {
  custom: {
    50: '#88b66b',
    500: '#51972b',
    950: '#000000',
  },
}

SCSS

$custom: #51972b;
$custom-light: #88b66b;
$custom-dark: #000000;

JSON

{
  "hex": "#51972b",
  "rgb": {
    "r": 81,
    "g": 151,
    "b": 43
  },
  "hsl": {
    "h": 98.889,
    "s": 55.67,
    "l": 38.039
  },
  "oklch": {
    "l": 0.60809,
    "c": 0.15776,
    "h": 136.7
  },
  "luminance": 0.24057
}

Semantic roles & 50–950 ramp

primary

#51972B

secondary

#9C63BB

accent

#49DFAA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #51972B

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

Preview Lab → · Contrast checker → · Palette generator →