#309B59#309B59

#309B59 is a mid, vivid green. Relative luminance 0.248; OKLCH L 61.3% C 0.139 H 152.3°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#309B59
RGB	rgb(48, 155, 89)
HSL	hsl(143, 53%, 40%)
HSV	hsv(143, 69%, 61%)
CMYK	cmyk(69%, 0%, 42.6%, 39.2%)
CIE-LAB	lab(56.87, -45.45, 26.02)
CIE-LCH	lch(56.87, 52.37, 150.22°)
OKLab	oklab(61.27% -0.1226 0.0644)
OKLCH	oklch(61.27% 0.139 152.3)
XYZ	xyz(14.7422, 24.7907, 13.4574)
Luminance	0.2479 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B59 #9B3072

analogous

#3C9B30 #309B59 #309B8F

triadic

#309B59 #59309B #9B5930

tetradic

#309B59 #303C9B #9B3072 #9B8F30

square

#309B59 #303C9B #9B3072 #9B8F30

split-complementary

#309B59 #8F309B #9B303C

monochromatic

#133E23 #226C3E #309B59 #43C575 #72D397

Accessibility & contrast

On white

3.52

#309B59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#309B59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B59

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B59	#FFFFFF	#000000	##000000
##309B59	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)

#9B8E54

Deuteranopia (green-blind)

#8E855D

Tritanopia (blue-blind)

#00998B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #309b59;
/* rgb */ color: rgb(48, 155, 89);
/* oklch */ color: oklch(61.3% 0.139 152.3);

Tailwind

colors: {
  custom: {
    50: '#76b988',
    500: '#309b59',
    950: '#000000',
  },
}

SCSS

$custom: #309b59;
$custom-light: #76b988;
$custom-dark: #000000;

JSON

{
  "hex": "#309b59",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 89
  },
  "hsl": {
    "h": 142.991,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.61271,
    "c": 0.1385,
    "h": 152.3
  },
  "luminance": 0.24792
}

Semantic roles & 50–950 ramp

primary

#309B59

secondary

#BB6C9D

accent

#4CA5DC

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#0A120B

muted

#7C817C

Preview Lab

Preview with #309B59

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

Preview Lab → · Contrast checker → · Palette generator →