#5BB55B#5BB55B

#5BB55B is a light, vivid green. Relative luminance 0.360; OKLCH L 69.6% C 0.153 H 143.7°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#5BB55B
RGB	rgb(91, 181, 91)
HSL	hsl(120, 38%, 53%)
HSV	hsv(120, 50%, 71%)
CMYK	cmyk(49.7%, 0%, 49.7%, 29%)
CIE-LAB	lab(66.54, -45.44, 37.54)
CIE-LCH	lch(66.54, 58.94, 140.44°)
OKLab	oklab(69.61% -0.1236 0.0908)
OKLCH	oklch(69.61% 0.153 143.7)
XYZ	xyz(22.7254, 36.0255, 15.6516)
Luminance	0.3603 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB55B #B55BB5

analogous

#88B55B #5BB55B #5BB588

triadic

#5BB55B #5B5BB5 #B55B5B

tetradic

#5BB55B #5B88B5 #B55BB5 #B5885B

square

#5BB55B #5B88B5 #B55BB5 #B5885B

split-complementary

#5BB55B #885BB5 #B55B88

monochromatic

#2F672F #429142 #5BB55B #85C885 #AFDBAF

Accessibility & contrast

On white

2.56

#5BB55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#5BB55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB55B

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB55B	#FFFFFF	#000000	##000000
##5BB55B	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A753

Deuteranopia (green-blind)

#AC9F61

Tritanopia (blue-blind)

#4EB1A0

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #5bb55b;
/* rgb */ color: rgb(91, 181, 91);
/* oklch */ color: oklch(69.6% 0.153 143.7);

Tailwind

colors: {
  custom: {
    50: '#90cc8b',
    500: '#5bb55b',
    950: '#000000',
  },
}

SCSS

$custom: #5bb55b;
$custom-light: #90cc8b;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb55b",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 91
  },
  "hsl": {
    "h": 120,
    "s": 37.815,
    "l": 53.333
  },
  "oklch": {
    "l": 0.69609,
    "c": 0.15334,
    "h": 143.7
  },
  "luminance": 0.36027
}

Semantic roles & 50–950 ramp

primary

#5BB55B

secondary

#C9A3C9

accent

#5ACECE

background

#F9FCF8

surface

#F1F9F0

border

#CBD2CB

text

#0D130C

muted

#7E827D

Preview Lab

Preview with #5BB55B

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

Preview Lab → · Contrast checker → · Palette generator →