#309C5B#309C5B

#309C5B is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.6% C 0.138 H 152.8°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#309C5B
RGB	rgb(48, 156, 91)
HSL	hsl(144, 53%, 40%)
HSV	hsv(144, 69%, 61%)
CMYK	cmyk(69.2%, 0%, 41.7%, 38.8%)
CIE-LAB	lab(57.23, -45.48, 25.41)
CIE-LCH	lch(57.23, 52.09, 150.81°)
OKLab	oklab(61.58% -0.1227 0.0631)
OKLCH	oklch(61.58% 0.138 152.8)
XYZ	xyz(14.9944, 25.1590, 13.9614)
Luminance	0.2516 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309C5B #9C3071

analogous

#3B9C30 #309C5B #309C91

triadic

#309C5B #5B309C #9C5B30

tetradic

#309C5B #303B9C #9C3071 #9C9130

square

#309C5B #303B9C #9C3071 #9C9130

split-complementary

#309C5B #91309C #9C303B

monochromatic

#133E24 #226D40 #309C5B #44C577 #73D499

Accessibility & contrast

On white

3.48

#309C5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#309C5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309C5B

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309C5B	#FFFFFF	#000000	##000000
##309C5B	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8F56

Deuteranopia (green-blind)

#8F865F

Tritanopia (blue-blind)

#009A8C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #309c5b;
/* rgb */ color: rgb(48, 156, 91);
/* oklch */ color: oklch(61.6% 0.138 152.8);

Tailwind

colors: {
  custom: {
    50: '#76ba8a',
    500: '#309c5b',
    950: '#000000',
  },
}

SCSS

$custom: #309c5b;
$custom-light: #76ba8a;
$custom-dark: #000000;

JSON

{
  "hex": "#309c5b",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 91
  },
  "hsl": {
    "h": 143.889,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.61578,
    "c": 0.13796,
    "h": 152.8
  },
  "luminance": 0.25161
}

Semantic roles & 50–950 ramp

primary

#309C5B

secondary

#BC6C9C

accent

#4BA3DC

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#0A120C

muted

#7C817D

Preview Lab

Preview with #309C5B

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

Preview Lab → · Contrast checker → · Palette generator →