#309C57#309C57

#309C57 is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.5% C 0.142 H 151.5°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#309C57
RGB	rgb(48, 156, 87)
HSL	hsl(142, 53%, 40%)
HSV	hsv(142, 69%, 61%)
CMYK	cmyk(69.2%, 0%, 44.2%, 38.8%)
CIE-LAB	lab(57.16, -46.21, 27.47)
CIE-LCH	lch(57.16, 53.76, 149.27°)
OKLab	oklab(61.5% -0.1246 0.0678)
OKLCH	oklch(61.5% 0.142 151.5)
XYZ	xyz(14.8265, 25.0918, 13.0768)
Luminance	0.2509 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309C57 #9C3075

analogous

#3F9C30 #309C57 #309C8D

triadic

#309C57 #57309C #9C5730

tetradic

#309C57 #303F9C #9C3075 #9C8D30

square

#309C57 #303F9C #9C3075 #9C8D30

split-complementary

#309C57 #8D309C #9C303F

monochromatic

#133E23 #226D3D #309C57 #44C573 #73D496

Accessibility & contrast

On white

3.49

#309C57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#309C57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309C57

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309C57	#FFFFFF	#000000	##000000
##309C57	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)

#9D8F52

Deuteranopia (green-blind)

#8F855C

Tritanopia (blue-blind)

#009A8B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #309c57;
/* rgb */ color: rgb(48, 156, 87);
/* oklch */ color: oklch(61.5% 0.142 151.5);

Tailwind

colors: {
  custom: {
    50: '#76ba87',
    500: '#309c57',
    950: '#000000',
  },
}

SCSS

$custom: #309c57;
$custom-light: #76ba87;
$custom-dark: #000000;

JSON

{
  "hex": "#309c57",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 87
  },
  "hsl": {
    "h": 141.667,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.61503,
    "c": 0.1418,
    "h": 151.5
  },
  "luminance": 0.25093
}

Semantic roles & 50–950 ramp

primary

#309C57

secondary

#BC6C9F

accent

#4BA8DC

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#0A120B

muted

#7C817C

Preview Lab

Preview with #309C57

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

Preview Lab → · Contrast checker → · Palette generator →