#5BB321#5BB321

#5BB321 is a light, vivid yellow-green. Relative luminance 0.346; OKLCH L 68.5% C 0.193 H 136.4°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#5BB321
RGB	rgb(91, 179, 33)
HSL	hsl(96, 69%, 42%)
HSV	hsv(96, 82%, 70%)
CMYK	cmyk(49.2%, 0%, 81.6%, 29.8%)
CIE-LAB	lab(65.41, -50.06, 60.17)
CIE-LCH	lch(65.41, 78.27, 129.76°)
OKLab	oklab(68.53% -0.1395 0.1327)
OKLCH	oklch(68.53% 0.193 136.4)
XYZ	xyz(20.7084, 34.5727, 7.0205)
Luminance	0.3457 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB321 #7921B3

analogous

#A4B321 #5BB321 #21B330

triadic

#5BB321 #215BB3 #B3215B

tetradic

#5BB321 #21A4B3 #7921B3 #B33021

square

#5BB321 #21A4B3 #7921B3 #B33021

split-complementary

#5BB321 #3021B3 #B321A4

monochromatic

#264C0E #417F17 #5BB321 #78DA37 #9BE46B

Accessibility & contrast

On white

2.65

#5BB321 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#5BB321 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB321

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB321	#FFFFFF	#000000	##000000
##5BB321	1.00	2.65	7.91	7.91
#FFFFFF	2.65	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)

#AE9C33

Tritanopia (blue-blind)

#56AC99

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #5bb321;
/* rgb */ color: rgb(91, 179, 33);
/* oklch */ color: oklch(68.5% 0.193 136.4);

Tailwind

colors: {
  custom: {
    50: '#92ca6a',
    500: '#5bb321',
    950: '#000000',
  },
}

SCSS

$custom: #5bb321;
$custom-light: #92ca6a;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb321",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 33
  },
  "hsl": {
    "h": 96.164,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68525,
    "c": 0.19253,
    "h": 136.4
  },
  "luminance": 0.34574
}

Semantic roles & 50–950 ramp

primary

#5BB321

secondary

#A266CA

accent

#3CECA6

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #5BB321

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

Preview Lab → · Contrast checker → · Palette generator →