#309B4B#309B4B

#309B4B is a mid, vivid green. Relative luminance 0.246; OKLCH L 61.0% C 0.152 H 148.1°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#309B4B
RGB	rgb(48, 155, 75)
HSL	hsl(135, 53%, 40%)
HSV	hsv(135, 69%, 61%)
CMYK	cmyk(69%, 0%, 51.6%, 39.2%)
CIE-LAB	lab(56.66, -47.83, 33.13)
CIE-LCH	lch(56.66, 58.18, 145.29°)
OKLab	oklab(61.03% -0.1289 0.0801)
OKLCH	oklch(61.03% 0.152 148.1)
XYZ	xyz(14.2092, 24.5775, 10.6503)
Luminance	0.2458 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B4B #9B3080

analogous

#4B9B30 #309B4B #309B80

triadic

#309B4B #4B309B #9B4B30

tetradic

#309B4B #304B9B #9B3080 #9B8030

square

#309B4B #304B9B #9B3080 #9B8030

split-complementary

#309B4B #80309B #9B304B

monochromatic

#133E1E #226C34 #309B4B #43C564 #72D38B

Accessibility & contrast

On white

3.55

#309B4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#309B4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B4B

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B4B	#FFFFFF	#000000	##000000
##309B4B	1.00	3.55	5.92	5.92
#FFFFFF	3.55	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)

#9D8D44

Deuteranopia (green-blind)

#908451

Tritanopia (blue-blind)

#009888

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #309b4b;
/* rgb */ color: rgb(48, 155, 75);
/* oklch */ color: oklch(61.0% 0.152 148.1);

Tailwind

colors: {
  custom: {
    50: '#76b97f',
    500: '#309b4b',
    950: '#000000',
  },
}

SCSS

$custom: #309b4b;
$custom-light: #76b97f;
$custom-dark: #000000;

JSON

{
  "hex": "#309b4b",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 75
  },
  "hsl": {
    "h": 135.14,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.6103,
    "c": 0.15178,
    "h": 148.1
  },
  "luminance": 0.24579
}

Semantic roles & 50–950 ramp

primary

#309B4B

secondary

#BB6CA7

accent

#4CB8DC

background

#F7FBF7

surface

#EEF6EE

border

#C9D0C9

text

#0A120A

muted

#7C817C

Preview Lab

Preview with #309B4B

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

Preview Lab → · Contrast checker → · Palette generator →