#309B3F#309B3F

#309B3F is a mid, vivid green. Relative luminance 0.244; OKLCH L 60.9% C 0.162 H 145.5°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#309B3F
RGB	rgb(48, 155, 63)
HSL	hsl(128, 53%, 40%)
HSV	hsv(128, 69%, 61%)
CMYK	cmyk(69%, 0%, 59.4%, 39.2%)
CIE-LAB	lab(56.51, -49.54, 38.92)
CIE-LCH	lch(56.51, 63.00, 141.84°)
OKLab	oklab(60.86% -0.1338 0.0921)
OKLCH	oklch(60.86% 0.162 145.5)
XYZ	xyz(13.8365, 24.4285, 8.6876)
Luminance	0.2443 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B3F #9B308C

analogous

#579B30 #309B3F #309B74

triadic

#309B3F #3F309B #9B3F30

tetradic

#309B3F #30579B #9B308C #9B7430

square

#309B3F #30579B #9B308C #9B7430

split-complementary

#309B3F #74309B #9B3057

monochromatic

#133E19 #226C2C #309B3F #43C555 #72D380

Accessibility & contrast

On white

3.57

#309B3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#309B3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B3F

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B3F	#FFFFFF	#000000	##000000
##309B3F	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8D36

Deuteranopia (green-blind)

#918446

Tritanopia (blue-blind)

#0A9787

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #309b3f;
/* rgb */ color: rgb(48, 155, 63);
/* oklch */ color: oklch(60.9% 0.162 145.5);

Tailwind

colors: {
  custom: {
    50: '#77b977',
    500: '#309b3f',
    950: '#000000',
  },
}

SCSS

$custom: #309b3f;
$custom-light: #77b977;
$custom-dark: #000000;

JSON

{
  "hex": "#309b3f",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 63
  },
  "hsl": {
    "h": 128.411,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.60861,
    "c": 0.16244,
    "h": 145.5
  },
  "luminance": 0.2443
}

Semantic roles & 50–950 ramp

primary

#309B3F

secondary

#BB6CB0

accent

#4CC8DC

background

#F7FBF7

surface

#EEF6ED

border

#C9D0C8

text

#0A1209

muted

#7C817B

Preview Lab

Preview with #309B3F

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

Preview Lab → · Contrast checker → · Palette generator →