#309D4B#309D4B

#309D4B is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.6% C 0.154 H 148.0°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#309D4B
RGB	rgb(48, 157, 75)
HSL	hsl(135, 53%, 40%)
HSV	hsv(135, 69%, 62%)
CMYK	cmyk(69.4%, 0%, 52.2%, 38.4%)
CIE-LAB	lab(57.32, -48.58, 33.94)
CIE-LCH	lch(57.32, 59.26, 145.06°)
OKLab	oklab(61.57% -0.1309 0.0819)
OKLCH	oklch(61.57% 0.154 148)
XYZ	xyz(14.5448, 25.2487, 10.7622)
Luminance	0.2525 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309D4B #9D3082

analogous

#4C9D30 #309D4B #309D81

triadic

#309D4B #4B309D #9D4B30

tetradic

#309D4B #304C9D #9D3082 #9D8130

square

#309D4B #304C9D #9D3082 #9D8130

split-complementary

#309D4B #81309D #9D304C

monochromatic

#133F1E #226E35 #309D4B #44C664 #73D48B

Accessibility & contrast

On white

3.47

#309D4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#309D4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309D4B

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309D4B	#FFFFFF	#000000	##000000
##309D4B	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8F44

Deuteranopia (green-blind)

#918651

Tritanopia (blue-blind)

#009A8A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #309d4b;
/* rgb */ color: rgb(48, 157, 75);
/* oklch */ color: oklch(61.6% 0.154 148.0);

Tailwind

colors: {
  custom: {
    50: '#77bb7f',
    500: '#309d4b',
    950: '#000000',
  },
}

SCSS

$custom: #309d4b;
$custom-light: #77bb7f;
$custom-dark: #000000;

JSON

{
  "hex": "#309d4b",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 75
  },
  "hsl": {
    "h": 134.862,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.61572,
    "c": 0.15446,
    "h": 148
  },
  "luminance": 0.2525
}

Semantic roles & 50–950 ramp

primary

#309D4B

secondary

#BC6DA8

accent

#4BB9DD

background

#F7FBF7

surface

#EEF6EE

border

#C9D0C9

text

#0A120A

muted

#7C817C

Preview Lab

Preview with #309D4B

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

Preview Lab → · Contrast checker → · Palette generator →