#309D40#309D40

#309D40 is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.4% C 0.164 H 145.6°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#309D40
RGB	rgb(48, 157, 64)
HSL	hsl(129, 53%, 40%)
HSV	hsv(129, 69%, 62%)
CMYK	cmyk(69.4%, 0%, 59.2%, 38.4%)
CIE-LAB	lab(57.18, -50.13, 39.23)
CIE-LCH	lch(57.18, 63.66, 141.96°)
OKLab	oklab(61.42% -0.1354 0.0928)
OKLCH	oklch(61.42% 0.164 145.6)
XYZ	xyz(14.2003, 25.1110, 8.9480)
Luminance	0.2511 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309D40 #9D308D

analogous

#579D30 #309D40 #309D76

triadic

#309D40 #40309D #9D4030

tetradic

#309D40 #30579D #9D308D #9D7630

square

#309D40 #30579D #9D308D #9D7630

split-complementary

#309D40 #76309D #9D3057

monochromatic

#133F1A #226E2D #309D40 #44C657 #73D481

Accessibility & contrast

On white

3.49

#309D40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#309D40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309D40

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309D40	#FFFFFF	#000000	##000000
##309D40	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8F37

Deuteranopia (green-blind)

#928647

Tritanopia (blue-blind)

#079989

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #309d40;
/* rgb */ color: rgb(48, 157, 64);
/* oklch */ color: oklch(61.4% 0.164 145.6);

Tailwind

colors: {
  custom: {
    50: '#77bb78',
    500: '#309d40',
    950: '#000000',
  },
}

SCSS

$custom: #309d40;
$custom-light: #77bb78;
$custom-dark: #000000;

JSON

{
  "hex": "#309d40",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 64
  },
  "hsl": {
    "h": 128.807,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.61418,
    "c": 0.16416,
    "h": 145.6
  },
  "luminance": 0.25112
}

Semantic roles & 50–950 ramp

primary

#309D40

secondary

#BC6DB0

accent

#4BC7DD

background

#F7FBF7

surface

#EEF6ED

border

#C9D0C8

text

#0A1209

muted

#7C817B

Preview Lab

Preview with #309D40

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

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