#5B9F17#5B9F17

#5B9F17 is a light, vivid yellow-green. Relative luminance 0.271; OKLCH L 63.3% C 0.173 H 133.8°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#5B9F17
RGB	rgb(91, 159, 23)
HSL	hsl(90, 75%, 36%)
HSV	hsv(90, 86%, 62%)
CMYK	cmyk(42.8%, 0%, 85.5%, 37.6%)
CIE-LAB	lab(59.05, -42.51, 57.07)
CIE-LCH	lch(59.05, 71.17, 126.68°)
OKLab	oklab(63.28% -0.1198 0.1247)
OKLCH	oklch(63.28% 0.173 133.8)
XYZ	xyz(16.8669, 27.0814, 5.1489)
Luminance	0.2708 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9F17 #5B179F

analogous

#9F9F17 #5B9F17 #179F17

triadic

#5B9F17 #175B9F #9F175B

tetradic

#5B9F17 #179F9F #5B179F #9F1717

square

#5B9F17 #179F9F #5B179F #9F1717

split-complementary

#5B9F17 #17179F #9F179F

monochromatic

#1E3408 #3C6A0F #5B9F17 #7AD41F #98E54B

Accessibility & contrast

On white

3.27

#5B9F17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#5B9F17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B9F17

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9F17	#FFFFFF	#000000	##000000
##5B9F17	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9D8C29

Tritanopia (blue-blind)

#5A9887

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5b9f17;
/* rgb */ color: rgb(91, 159, 23);
/* oklch */ color: oklch(63.3% 0.173 133.8);

Tailwind

colors: {
  custom: {
    50: '#90bc63',
    500: '#5b9f17',
    950: '#000000',
  },
}

SCSS

$custom: #5b9f17;
$custom-light: #90bc63;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9f17",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 23
  },
  "hsl": {
    "h": 90,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.63282,
    "c": 0.17293,
    "h": 133.8
  },
  "luminance": 0.27082
}

Semantic roles & 50–950 ramp

primary

#5B9F17

secondary

#894BC7

accent

#36F194

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #5B9F17

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

Preview Lab → · Contrast checker → · Palette generator →