#309D55#309D55

#309D55 is a mid, vivid green. Relative luminance 0.254; OKLCH L 61.7% C 0.145 H 150.7°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#309D55
RGB	rgb(48, 157, 85)
HSL	hsl(140, 53%, 40%)
HSV	hsv(140, 69%, 62%)
CMYK	cmyk(69.4%, 0%, 45.9%, 38.4%)
CIE-LAB	lab(57.46, -46.95, 28.91)
CIE-LCH	lch(57.46, 55.14, 148.37°)
OKLab	oklab(61.74% -0.1265 0.071)
OKLCH	oklch(61.74% 0.145 150.7)
XYZ	xyz(14.9144, 25.3966, 12.7086)
Luminance	0.2540 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309D55 #9D3078

analogous

#419D30 #309D55 #309D8B

triadic

#309D55 #55309D #9D5530

tetradic

#309D55 #30419D #9D3078 #9D8B30

square

#309D55 #30419D #9D3078 #9D8B30

split-complementary

#309D55 #8B309D #9D3041

monochromatic

#133F22 #226E3C #309D55 #44C670 #73D494

Accessibility & contrast

On white

3.45

#309D55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#309D55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309D55

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309D55	#FFFFFF	#000000	##000000
##309D55	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E9050

Deuteranopia (green-blind)

#90865A

Tritanopia (blue-blind)

#009A8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #309d55;
/* rgb */ color: rgb(48, 157, 85);
/* oklch */ color: oklch(61.7% 0.145 150.7);

Tailwind

colors: {
  custom: {
    50: '#77bb86',
    500: '#309d55',
    950: '#000000',
  },
}

SCSS

$custom: #309d55;
$custom-light: #77bb86;
$custom-dark: #000000;

JSON

{
  "hex": "#309d55",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 85
  },
  "hsl": {
    "h": 140.367,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.61736,
    "c": 0.14509,
    "h": 150.7
  },
  "luminance": 0.25398
}

Semantic roles & 50–950 ramp

primary

#309D55

secondary

#BC6DA1

accent

#4BABDD

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#0A120B

muted

#7C817C

Preview Lab

Preview with #309D55

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

Preview Lab → · Contrast checker → · Palette generator →