#5B9F1F#5B9F1F

#5B9F1F is a light, vivid yellow-green. Relative luminance 0.271; OKLCH L 63.3% C 0.170 H 134.3°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#5B9F1F
RGB	rgb(91, 159, 31)
HSL	hsl(92, 67%, 37%)
HSV	hsv(92, 81%, 62%)
CMYK	cmyk(42.8%, 0%, 80.5%, 37.6%)
CIE-LAB	lab(59.08, -42.15, 54.92)
CIE-LCH	lch(59.08, 69.22, 127.51°)
OKLab	oklab(63.32% -0.1184 0.1214)
OKLCH	oklch(63.32% 0.17 134.3)
XYZ	xyz(16.9595, 27.1184, 5.6368)
Luminance	0.2712 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9F1F #631F9F

analogous

#9B9F1F #5B9F1F #1F9F23

triadic

#5B9F1F #1F5B9F #9F1F5B

tetradic

#5B9F1F #1F9B9F #631F9F #9F231F

square

#5B9F1F #1F9B9F #631F9F #9F231F

split-complementary

#5B9F1F #231F9F #9F1F9B

monochromatic

#20390B #3E6C15 #5B9F1F #78D229 #98DF5A

Accessibility & contrast

On white

3.27

#5B9F1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#5B9F1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B9F1F

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9F1F	#FFFFFF	#000000	##000000
##5B9F1F	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)

#A59200

Deuteranopia (green-blind)

#9C8C2E

Tritanopia (blue-blind)

#5A9988

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5b9f1f;
/* rgb */ color: rgb(91, 159, 31);
/* oklch */ color: oklch(63.3% 0.170 134.3);

Tailwind

colors: {
  custom: {
    50: '#90bc66',
    500: '#5b9f1f',
    950: '#000000',
  },
}

SCSS

$custom: #5b9f1f;
$custom-light: #90bc66;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9f1f",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 31
  },
  "hsl": {
    "h": 91.875,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.63321,
    "c": 0.16953,
    "h": 134.3
  },
  "luminance": 0.27119
}

Semantic roles & 50–950 ramp

primary

#5B9F1F

secondary

#9057C3

accent

#3EEA99

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #5B9F1F

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

Preview Lab → · Contrast checker → · Palette generator →