#309D57#309D57

#309D57 is a mid, vivid green. Relative luminance 0.254; OKLCH L 61.8% C 0.143 H 151.3°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#309D57
RGB	rgb(48, 157, 87)
HSL	hsl(141, 53%, 40%)
HSV	hsv(141, 69%, 62%)
CMYK	cmyk(69.4%, 0%, 44.6%, 38.4%)
CIE-LAB	lab(57.49, -46.60, 27.89)
CIE-LCH	lch(57.49, 54.31, 149.10°)
OKLab	oklab(61.77% -0.1256 0.0687)
OKLCH	oklch(61.77% 0.143 151.3)
XYZ	xyz(14.9950, 25.4288, 13.1330)
Luminance	0.2543 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309D57 #9D3076

analogous

#3F9D30 #309D57 #309D8E

triadic

#309D57 #57309D #9D5730

tetradic

#309D57 #303F9D #9D3076 #9D8E30

square

#309D57 #303F9D #9D3076 #9D8E30

split-complementary

#309D57 #8E309D #9D303F

monochromatic

#133F23 #226E3D #309D57 #44C673 #73D496

Accessibility & contrast

On white

3.45

#309D57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#309D57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309D57

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309D57	#FFFFFF	#000000	##000000
##309D57	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E9052

Deuteranopia (green-blind)

#90865C

Tritanopia (blue-blind)

#009B8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #309d57;
/* rgb */ color: rgb(48, 157, 87);
/* oklch */ color: oklch(61.8% 0.143 151.3);

Tailwind

colors: {
  custom: {
    50: '#77bb87',
    500: '#309d57',
    950: '#000000',
  },
}

SCSS

$custom: #309d57;
$custom-light: #77bb87;
$custom-dark: #000000;

JSON

{
  "hex": "#309d57",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 87
  },
  "hsl": {
    "h": 141.468,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.61772,
    "c": 0.14318,
    "h": 151.3
  },
  "luminance": 0.2543
}

Semantic roles & 50–950 ramp

primary

#309D57

secondary

#BC6DA0

accent

#4BA9DD

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#0A120B

muted

#7C817C

Preview Lab

Preview with #309D57

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

Preview Lab → · Contrast checker → · Palette generator →