#309D5B#309D5B

#309D5B is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.8% C 0.139 H 152.6°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#309D5B
RGB	rgb(48, 157, 91)
HSL	hsl(144, 53%, 40%)
HSV	hsv(144, 69%, 62%)
CMYK	cmyk(69.4%, 0%, 42%, 38.4%)
CIE-LAB	lab(57.56, -45.87, 25.83)
CIE-LCH	lch(57.56, 52.65, 150.62°)
OKLab	oklab(61.85% -0.1237 0.0641)
OKLCH	oklch(61.85% 0.139 152.6)
XYZ	xyz(15.1629, 25.4960, 14.0176)
Luminance	0.2550 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309D5B #9D3072

analogous

#3B9D30 #309D5B #309D92

triadic

#309D5B #5B309D #9D5B30

tetradic

#309D5B #303B9D #9D3072 #9D9230

square

#309D5B #303B9D #9D3072 #9D9230

split-complementary

#309D5B #92309D #9D303B

monochromatic

#133F25 #226E40 #309D5B #44C677 #73D499

Accessibility & contrast

On white

3.44

#309D5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#309D5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309D5B

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309D5B	#FFFFFF	#000000	##000000
##309D5B	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D9056

Deuteranopia (green-blind)

#90865F

Tritanopia (blue-blind)

#009B8D

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #309d5b;
/* rgb */ color: rgb(48, 157, 91);
/* oklch */ color: oklch(61.8% 0.139 152.6);

Tailwind

colors: {
  custom: {
    50: '#76bb8a',
    500: '#309d5b',
    950: '#000000',
  },
}

SCSS

$custom: #309d5b;
$custom-light: #76bb8a;
$custom-dark: #000000;

JSON

{
  "hex": "#309d5b",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 91
  },
  "hsl": {
    "h": 143.67,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.61846,
    "c": 0.13934,
    "h": 152.6
  },
  "luminance": 0.25498
}

Semantic roles & 50–950 ramp

primary

#309D5B

secondary

#BC6D9D

accent

#4BA3DD

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#0A120C

muted

#7C817D

Preview Lab

Preview with #309D5B

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

Preview Lab → · Contrast checker → · Palette generator →