#5BB31C#5BB31C

#5BB31C is a light, vivid yellow-green. Relative luminance 0.345; OKLCH L 68.5% C 0.195 H 136.2°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#5BB31C
RGB	rgb(91, 179, 28)
HSL	hsl(95, 73%, 41%)
HSV	hsv(95, 84%, 70%)
CMYK	cmyk(49.2%, 0%, 84.4%, 29.8%)
CIE-LAB	lab(65.39, -50.29, 61.46)
CIE-LCH	lch(65.39, 79.41, 129.29°)
OKLab	oklab(68.5% -0.1403 0.1347)
OKLCH	oklch(68.5% 0.195 136.2)
XYZ	xyz(20.6435, 34.5468, 6.6788)
Luminance	0.3455 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB31C #741CB3

analogous

#A6B31C #5BB31C #1CB328

triadic

#5BB31C #1C5BB3 #B31C5B

tetradic

#5BB31C #1CA6B3 #741CB3 #B3281C

square

#5BB31C #1CA6B3 #741CB3 #B3281C

split-complementary

#5BB31C #281CB3 #B31CA6

monochromatic

#25490B #407E14 #5BB31C #77DE2E #9AE763

Accessibility & contrast

On white

2.66

#5BB31C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#5BB31C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB31C

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB31C	#FFFFFF	#000000	##000000
##5BB31C	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AE9C30

Tritanopia (blue-blind)

#57AC98

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #5bb31c;
/* rgb */ color: rgb(91, 179, 28);
/* oklch */ color: oklch(68.5% 0.195 136.2);

Tailwind

colors: {
  custom: {
    50: '#92ca68',
    500: '#5bb31c',
    950: '#000000',
  },
}

SCSS

$custom: #5bb31c;
$custom-light: #92ca68;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb31c",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 28
  },
  "hsl": {
    "h": 94.967,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.68501,
    "c": 0.19453,
    "h": 136.2
  },
  "luminance": 0.34548
}

Semantic roles & 50–950 ramp

primary

#5BB31C

secondary

#9E5FCB

accent

#38F0A3

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #5BB31C

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

Preview Lab → · Contrast checker → · Palette generator →