#309B4E#309B4E

#309B4E is a mid, vivid green. Relative luminance 0.246; OKLCH L 61.1% C 0.149 H 148.9°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#309B4E
RGB	rgb(48, 155, 78)
HSL	hsl(137, 53%, 40%)
HSV	hsv(137, 69%, 61%)
CMYK	cmyk(69%, 0%, 49.7%, 39.2%)
CIE-LAB	lab(56.70, -47.35, 31.63)
CIE-LCH	lch(56.70, 56.95, 146.26°)
OKLab	oklab(61.08% -0.1276 0.0769)
OKLCH	oklch(61.08% 0.149 148.9)
XYZ	xyz(14.3143, 24.6196, 11.2039)
Luminance	0.2462 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B4E #9B307D

analogous

#489B30 #309B4E #309B83

triadic

#309B4E #4E309B #9B4E30

tetradic

#309B4E #30489B #9B307D #9B8330

square

#309B4E #30489B #9B307D #9B8330

split-complementary

#309B4E #83309B #9B3048

monochromatic

#133E1F #226C36 #309B4E #43C568 #72D38D

Accessibility & contrast

On white

3.54

#309B4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#309B4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B4E

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B4E	#FFFFFF	#000000	##000000
##309B4E	1.00	3.54	5.92	5.92
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8E48

Deuteranopia (green-blind)

#8F8453

Tritanopia (blue-blind)

#009889

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #309b4e;
/* rgb */ color: rgb(48, 155, 78);
/* oklch */ color: oklch(61.1% 0.149 148.9);

Tailwind

colors: {
  custom: {
    50: '#76b981',
    500: '#309b4e',
    950: '#000000',
  },
}

SCSS

$custom: #309b4e;
$custom-light: #76b981;
$custom-dark: #000000;

JSON

{
  "hex": "#309b4e",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 78
  },
  "hsl": {
    "h": 136.822,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.61078,
    "c": 0.14899,
    "h": 148.9
  },
  "luminance": 0.24621
}

Semantic roles & 50–950 ramp

primary

#309B4E

secondary

#BB6CA5

accent

#4CB4DC

background

#F7FBF7

surface

#EEF6EE

border

#C9D0C9

text

#0A120A

muted

#7C817C

Preview Lab

Preview with #309B4E

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

Preview Lab → · Contrast checker → · Palette generator →