#5BBB3B#5BBB3B

#5BBB3B is a light, vivid green. Relative luminance 0.381; OKLCH L 70.8% C 0.188 H 139.0°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#5BBB3B
RGB	rgb(91, 187, 59)
HSL	hsl(105, 52%, 48%)
HSV	hsv(105, 68%, 73%)
CMYK	cmyk(51.3%, 0%, 68.4%, 26.7%)
CIE-LAB	lab(68.08, -51.40, 53.89)
CIE-LCH	lch(68.08, 74.47, 133.65°)
OKLab	oklab(70.77% -0.1415 0.1232)
OKLCH	oklch(70.77% 0.188 139)
XYZ	xyz(22.8733, 38.0788, 10.2815)
Luminance	0.3808 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBB3B #9B3BBB

analogous

#9BBB3B #5BBB3B #3BBB5B

triadic

#5BBB3B #3B5BBB #BB3B5B

tetradic

#5BBB3B #3B9BBB #9B3BBB #BB5B3B

square

#5BBB3B #3B9BBB #9B3BBB #BB5B3B

split-complementary

#5BBB3B #5B3BBB #BB3B9B

monochromatic

#2E5E1E #448C2C #5BBB3B #7FCE65 #A6DD93

Accessibility & contrast

On white

2.44

#5BBB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#5BBB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBB3B

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBB3B	#FFFFFF	#000000	##000000
##5BBB3B	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AB28

Deuteranopia (green-blind)

#B4A347

Tritanopia (blue-blind)

#52B5A1

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #5bbb3b;
/* rgb */ color: rgb(91, 187, 59);
/* oklch */ color: oklch(70.8% 0.188 139.0);

Tailwind

colors: {
  custom: {
    50: '#92d078',
    500: '#5bbb3b',
    950: '#000000',
  },
}

SCSS

$custom: #5bbb3b;
$custom-light: #92d078;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbb3b",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 59
  },
  "hsl": {
    "h": 105,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.70767,
    "c": 0.18761,
    "h": 139
  },
  "luminance": 0.38081
}

Semantic roles & 50–950 ramp

primary

#5BBB3B

secondary

#B98AC8

accent

#4CDBB8

background

#F9FCF7

surface

#F2F9EE

border

#CCD2C9

text

#0E1409

muted

#7E827B

Preview Lab

Preview with #5BBB3B

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

Preview Lab → · Contrast checker → · Palette generator →