#309B31#309B31

#309B31 is a mid, vivid green. Relative luminance 0.243; OKLCH L 60.7% C 0.173 H 143.2°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#309B31
RGB	rgb(48, 155, 49)
HSL	hsl(121, 53%, 40%)
HSV	hsv(121, 69%, 61%)
CMYK	cmyk(69%, 0%, 68.4%, 39.2%)
CIE-LAB	lab(56.38, -51.14, 45.12)
CIE-LCH	lch(56.38, 68.20, 138.58°)
OKLab	oklab(60.7% -0.1388 0.1039)
OKLCH	oklch(60.7% 0.173 143.2)
XYZ	xyz(13.4938, 24.2914, 6.8827)
Luminance	0.2429 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B31 #9B309A

analogous

#649B30 #309B31 #309B67

triadic

#309B31 #31309B #9B3130

tetradic

#309B31 #30649B #9B309A #9B6730

square

#309B31 #30649B #9B309A #9B6730

split-complementary

#309B31 #67309B #9B3064

monochromatic

#133E13 #226C22 #309B31 #43C545 #72D373

Accessibility & contrast

On white

3.58

#309B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#309B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B31

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B31	#FFFFFF	#000000	##000000
##309B31	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8C23

Deuteranopia (green-blind)

#92843B

Tritanopia (blue-blind)

#139785

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #309b31;
/* rgb */ color: rgb(48, 155, 49);
/* oklch */ color: oklch(60.7% 0.173 143.2);

Tailwind

colors: {
  custom: {
    50: '#78b96e',
    500: '#309b31',
    950: '#000000',
  },
}

SCSS

$custom: #309b31;
$custom-light: #78b96e;
$custom-dark: #000000;

JSON

{
  "hex": "#309b31",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 49
  },
  "hsl": {
    "h": 120.561,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.60704,
    "c": 0.17338,
    "h": 143.2
  },
  "luminance": 0.24293
}

Semantic roles & 50–950 ramp

primary

#309B31

secondary

#BB6CBA

accent

#4CDBDC

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#0A1207

muted

#7C817A

Preview Lab

Preview with #309B31

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

Preview Lab → · Contrast checker → · Palette generator →