#5BB12C#5BB12C

#5BB12C is a light, vivid yellow-green. Relative luminance 0.339; OKLCH L 68.1% C 0.185 H 137.0°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#5BB12C
RGB	rgb(91, 177, 44)
HSL	hsl(99, 60%, 43%)
HSV	hsv(99, 75%, 69%)
CMYK	cmyk(48.6%, 0%, 75.1%, 30.6%)
CIE-LAB	lab(64.84, -48.65, 56.19)
CIE-LCH	lch(64.84, 74.33, 130.89°)
OKLab	oklab(68.07% -0.135 0.126)
OKLCH	oklch(68.07% 0.185 137)
XYZ	xyz(20.4905, 33.8489, 7.8361)
Luminance	0.3385 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB12C #822CB1

analogous

#9DB12C #5BB12C #2CB13F

triadic

#5BB12C #2C5BB1 #B12C5B

tetradic

#5BB12C #2C9DB1 #822CB1 #B13F2C

square

#5BB12C #2C9DB1 #822CB1 #B13F2C

split-complementary

#5BB12C #3F2CB1 #B12C9D

monochromatic

#294F14 #428020 #5BB12C #79D249 #9DDE7A

Accessibility & contrast

On white

2.70

#5BB12C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#5BB12C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB12C

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB12C	#FFFFFF	#000000	##000000
##5BB12C	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A20F

Deuteranopia (green-blind)

#AC9B3A

Tritanopia (blue-blind)

#56AB98

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #5bb12c;
/* rgb */ color: rgb(91, 177, 44);
/* oklch */ color: oklch(68.1% 0.185 137.0);

Tailwind

colors: {
  custom: {
    50: '#91c96f',
    500: '#5bb12c',
    950: '#000000',
  },
}

SCSS

$custom: #5bb12c;
$custom-light: #91c96f;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb12c",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 44
  },
  "hsl": {
    "h": 98.797,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.68072,
    "c": 0.18468,
    "h": 137
  },
  "luminance": 0.3385
}

Semantic roles & 50–950 ramp

primary

#5BB12C

secondary

#A973C6

accent

#44E3AB

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #5BB12C

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

Preview Lab → · Contrast checker → · Palette generator →