#309B5A#309B5A

#309B5A is a mid, vivid green. Relative luminance 0.248; OKLCH L 61.3% C 0.138 H 152.6°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#309B5A
RGB	rgb(48, 155, 90)
HSL	hsl(144, 53%, 40%)
HSV	hsv(144, 69%, 61%)
CMYK	cmyk(69%, 0%, 41.9%, 39.2%)
CIE-LAB	lab(56.89, -45.27, 25.50)
CIE-LCH	lch(56.89, 51.96, 150.61°)
OKLab	oklab(61.29% -0.1221 0.0632)
OKLCH	oklch(61.29% 0.138 152.6)
XYZ	xyz(14.7845, 24.8076, 13.6801)
Luminance	0.2481 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B5A #9B3071

analogous

#3C9B30 #309B5A #309B8F

triadic

#309B5A #5A309B #9B5A30

tetradic

#309B5A #303C9B #9B3071 #9B8F30

square

#309B5A #303C9B #9B3071 #9B8F30

split-complementary

#309B5A #8F309B #9B303C

monochromatic

#133E24 #226C3F #309B5A #43C576 #72D398

Accessibility & contrast

On white

3.52

#309B5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#309B5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B5A

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B5A	#FFFFFF	#000000	##000000
##309B5A	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8E55

Deuteranopia (green-blind)

#8E855E

Tritanopia (blue-blind)

#00998B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #309b5a;
/* rgb */ color: rgb(48, 155, 90);
/* oklch */ color: oklch(61.3% 0.138 152.6);

Tailwind

colors: {
  custom: {
    50: '#76b989',
    500: '#309b5a',
    950: '#000000',
  },
}

SCSS

$custom: #309b5a;
$custom-light: #76b989;
$custom-dark: #000000;

JSON

{
  "hex": "#309b5a",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 90
  },
  "hsl": {
    "h": 143.551,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.6129,
    "c": 0.13754,
    "h": 152.6
  },
  "luminance": 0.24809
}

Semantic roles & 50–950 ramp

primary

#309B5A

secondary

#BB6C9C

accent

#4CA3DC

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#0A120B

muted

#7C817C

Preview Lab

Preview with #309B5A

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

Preview Lab → · Contrast checker → · Palette generator →