#5B9B23#5B9B23

#5B9B23 is a light, vivid yellow-green. Relative luminance 0.258; OKLCH L 62.3% C 0.163 H 134.0°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#5B9B23
RGB	rgb(91, 155, 35)
HSL	hsl(92, 63%, 37%)
HSV	hsv(92, 77%, 61%)
CMYK	cmyk(41.3%, 0%, 77.4%, 39.2%)
CIE-LAB	lab(57.83, -40.24, 52.46)
CIE-LCH	lch(57.83, 66.11, 127.49°)
OKLab	oklab(62.3% -0.113 0.1168)
OKLCH	oklch(62.3% 0.163 134)
XYZ	xyz(16.3388, 25.7873, 5.7063)
Luminance	0.2579 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9B23 #63239B

analogous

#979B23 #5B9B23 #239B27

triadic

#5B9B23 #235B9B #9B235B

tetradic

#5B9B23 #23979B #63239B #9B2723

square

#5B9B23 #23979B #63239B #9B2723

split-complementary

#5B9B23 #27239B #9B2397

monochromatic

#20370C #3E6918 #5B9B23 #78CD2E #98DB5E

Accessibility & contrast

On white

3.41

#5B9B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#5B9B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B9B23

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9B23	#FFFFFF	#000000	##000000
##5B9B23	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E05

Deuteranopia (green-blind)

#998930

Tritanopia (blue-blind)

#5A9584

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5b9b23;
/* rgb */ color: rgb(91, 155, 35);
/* oklch */ color: oklch(62.3% 0.163 134.0);

Tailwind

colors: {
  custom: {
    50: '#8fb968',
    500: '#5b9b23',
    950: '#000000',
  },
}

SCSS

$custom: #5b9b23;
$custom-light: #8fb968;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9b23",
  "rgb": {
    "r": 91,
    "g": 155,
    "b": 35
  },
  "hsl": {
    "h": 92,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.62304,
    "c": 0.16251,
    "h": 134
  },
  "luminance": 0.25788
}

Semantic roles & 50–950 ramp

primary

#5B9B23

secondary

#905ABF

accent

#42E699

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1107

muted

#7E807A

Preview Lab

Preview with #5B9B23

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

Preview Lab → · Contrast checker → · Palette generator →