#309B37#309B37

#309B37 is a mid, vivid green. Relative luminance 0.243; OKLCH L 60.8% C 0.169 H 144.1°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#309B37
RGB	rgb(48, 155, 55)
HSL	hsl(124, 53%, 40%)
HSV	hsv(124, 69%, 61%)
CMYK	cmyk(69%, 0%, 64.5%, 39.2%)
CIE-LAB	lab(56.43, -50.50, 42.56)
CIE-LCH	lch(56.43, 66.04, 139.88°)
OKLab	oklab(60.77% -0.1368 0.0991)
OKLCH	oklch(60.77% 0.169 144.1)
XYZ	xyz(13.6290, 24.3455, 7.5946)
Luminance	0.2435 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B37 #9B3094

analogous

#5F9B30 #309B37 #309B6C

triadic

#309B37 #37309B #9B3730

tetradic

#309B37 #305F9B #9B3094 #9B6C30

square

#309B37 #305F9B #9B3094 #9B6C30

split-complementary

#309B37 #6C309B #9B305F

monochromatic

#133E16 #226C26 #309B37 #43C54C #72D378

Accessibility & contrast

On white

3.58

#309B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#309B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B37

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B37	#FFFFFF	#000000	##000000
##309B37	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8D2B

Deuteranopia (green-blind)

#918440

Tritanopia (blue-blind)

#109786

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #309b37;
/* rgb */ color: rgb(48, 155, 55);
/* oklch */ color: oklch(60.8% 0.169 144.1);

Tailwind

colors: {
  custom: {
    50: '#77b972',
    500: '#309b37',
    950: '#000000',
  },
}

SCSS

$custom: #309b37;
$custom-light: #77b972;
$custom-dark: #000000;

JSON

{
  "hex": "#309b37",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 55
  },
  "hsl": {
    "h": 123.925,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.60766,
    "c": 0.16893,
    "h": 144.1
  },
  "luminance": 0.24347
}

Semantic roles & 50–950 ramp

primary

#309B37

secondary

#BB6CB6

accent

#4CD3DC

background

#F7FBF7

surface

#EEF6ED

border

#C9D0C8

text

#0A1208

muted

#7C817B

Preview Lab

Preview with #309B37

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

Preview Lab → · Contrast checker → · Palette generator →