#5B8B1F#5B8B1F

#5B8B1F is a mid, vivid yellow-green. Relative luminance 0.208; OKLCH L 58.1% C 0.144 H 131.1°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#5B8B1F
RGB	rgb(91, 139, 31)
HSL	hsl(87, 64%, 33%)
HSV	hsv(87, 78%, 55%)
CMYK	cmyk(34.5%, 0%, 77.7%, 45.5%)
CIE-LAB	lab(52.72, -33.43, 48.91)
CIE-LCH	lch(52.72, 59.25, 124.35°)
OKLab	oklab(58.11% -0.0948 0.1088)
OKLCH	oklch(58.11% 0.144 131.1)
XYZ	xyz(13.7942, 20.7878, 4.5817)
Luminance	0.2079 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8B1F #4F1F8B

analogous

#8B851F #5B8B1F #258B1F

triadic

#5B8B1F #1F5B8B #8B1F5B

tetradic

#5B8B1F #1F8B85 #4F1F8B #8B1F25

square

#5B8B1F #1F8B85 #4F1F8B #8B1F25

split-complementary

#5B8B1F #1F258B #851F8B

monochromatic

#192709 #3A5914 #5B8B1F #7CBD2A #9AD74D

Accessibility & contrast

On white

4.07

#5B8B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#5B8B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8B1F

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8B1F	#FFFFFF	#000000	##000000
##5B8B1F	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918005

Deuteranopia (green-blind)

#8B7D2A

Tritanopia (blue-blind)

#5D8577

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5b8b1f;
/* rgb */ color: rgb(91, 139, 31);
/* oklch */ color: oklch(58.1% 0.144 131.1);

Tailwind

colors: {
  custom: {
    50: '#8ead63',
    500: '#5b8b1f',
    950: '#000000',
  },
}

SCSS

$custom: #5b8b1f;
$custom-light: #8ead63;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8b1f",
  "rgb": {
    "r": 91,
    "g": 139,
    "b": 31
  },
  "hsl": {
    "h": 86.667,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.58114,
    "c": 0.14432,
    "h": 131.1
  },
  "luminance": 0.20788
}

Semantic roles & 50–950 ramp

primary

#5B8B1F

secondary

#7D4CBA

accent

#41E78B

background

#F9FAF6

surface

#F1F4EB

border

#CBCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #5B8B1F

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

Preview Lab → · Contrast checker → · Palette generator →