#309C4F#309C4F

#309C4F is a mid, vivid green. Relative luminance 0.250; OKLCH L 61.4% C 0.149 H 149.1°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#309C4F
RGB	rgb(48, 156, 79)
HSL	hsl(137, 53%, 40%)
HSV	hsv(137, 69%, 61%)
CMYK	cmyk(69.2%, 0%, 49.4%, 38.8%)
CIE-LAB	lab(57.04, -47.57, 31.54)
CIE-LCH	lch(57.04, 57.08, 146.46°)
OKLab	oklab(61.36% -0.1282 0.0768)
OKLCH	oklch(61.36% 0.149 149.1)
XYZ	xyz(14.5176, 24.9683, 11.4499)
Luminance	0.2497 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309C4F #9C307D

analogous

#479C30 #309C4F #309C85

triadic

#309C4F #4F309C #9C4F30

tetradic

#309C4F #30479C #9C307D #9C8530

square

#309C4F #30479C #9C307D #9C8530

split-complementary

#309C4F #85309C #9C3047

monochromatic

#133E20 #226D37 #309C4F #44C569 #73D48E

Accessibility & contrast

On white

3.50

#309C4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#309C4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309C4F

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309C4F	#FFFFFF	#000000	##000000
##309C4F	1.00	3.50	5.99	5.99
#FFFFFF	3.50	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8E49

Deuteranopia (green-blind)

#908554

Tritanopia (blue-blind)

#00998A

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #309c4f;
/* rgb */ color: rgb(48, 156, 79);
/* oklch */ color: oklch(61.4% 0.149 149.1);

Tailwind

colors: {
  custom: {
    50: '#77ba82',
    500: '#309c4f',
    950: '#000000',
  },
}

SCSS

$custom: #309c4f;
$custom-light: #77ba82;
$custom-dark: #000000;

JSON

{
  "hex": "#309c4f",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 79
  },
  "hsl": {
    "h": 137.222,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.61364,
    "c": 0.1494,
    "h": 149.1
  },
  "luminance": 0.2497
}

Semantic roles & 50–950 ramp

primary

#309C4F

secondary

#BC6CA5

accent

#4BB3DC

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#0A120A

muted

#7C817C

Preview Lab

Preview with #309C4F

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

Preview Lab → · Contrast checker → · Palette generator →