#309B40#309B40

#309B40 is a mid, vivid green. Relative luminance 0.244; OKLCH L 60.9% C 0.162 H 145.7°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#309B40
RGB	rgb(48, 155, 64)
HSL	hsl(129, 53%, 40%)
HSV	hsv(129, 69%, 61%)
CMYK	cmyk(69%, 0%, 58.7%, 39.2%)
CIE-LAB	lab(56.53, -49.40, 38.45)
CIE-LCH	lch(56.53, 62.61, 142.10°)
OKLab	oklab(60.87% -0.1334 0.0911)
OKLCH	oklch(60.87% 0.162 145.7)
XYZ	xyz(13.8647, 24.4398, 8.8362)
Luminance	0.2444 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B40 #9B308B

analogous

#569B30 #309B40 #309B76

triadic

#309B40 #40309B #9B4030

tetradic

#309B40 #30569B #9B308B #9B7630

square

#309B40 #30569B #9B308B #9B7630

split-complementary

#309B40 #76309B #9B3056

monochromatic

#133E19 #226C2D #309B40 #43C557 #72D381

Accessibility & contrast

On white

3.57

#309B40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#309B40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B40

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B40	#FFFFFF	#000000	##000000
##309B40	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)

#9D8D37

Deuteranopia (green-blind)

#918447

Tritanopia (blue-blind)

#099787

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #309b40;
/* rgb */ color: rgb(48, 155, 64);
/* oklch */ color: oklch(60.9% 0.162 145.7);

Tailwind

colors: {
  custom: {
    50: '#77b978',
    500: '#309b40',
    950: '#000000',
  },
}

SCSS

$custom: #309b40;
$custom-light: #77b978;
$custom-dark: #000000;

JSON

{
  "hex": "#309b40",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 64
  },
  "hsl": {
    "h": 128.972,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.60874,
    "c": 0.16159,
    "h": 145.7
  },
  "luminance": 0.24441
}

Semantic roles & 50–950 ramp

primary

#309B40

secondary

#BB6CAF

accent

#4CC7DC

background

#F7FBF7

surface

#EEF6ED

border

#C9D0C8

text

#0A1209

muted

#7C817B

Preview Lab

Preview with #309B40

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

Preview Lab → · Contrast checker → · Palette generator →