#309B63#309B63

#309B63 is a mid, vivid green. Relative luminance 0.250; OKLCH L 61.5% C 0.129 H 156.1°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#309B63
RGB	rgb(48, 155, 99)
HSL	hsl(149, 53%, 40%)
HSV	hsv(149, 69%, 61%)
CMYK	cmyk(69%, 0%, 36.1%, 39.2%)
CIE-LAB	lab(57.05, -43.51, 20.80)
CIE-LCH	lch(57.05, 48.23, 154.45°)
OKLab	oklab(61.47% -0.1179 0.0523)
OKLCH	oklch(61.47% 0.129 156.1)
XYZ	xyz(15.1910, 24.9703, 15.8211)
Luminance	0.2497 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B63 #9B3068

analogous

#339B30 #309B63 #309B98

triadic

#309B63 #63309B #9B6330

tetradic

#309B63 #30339B #9B3068 #9B9830

square

#309B63 #30339B #9B3068 #9B9830

split-complementary

#309B63 #98309B #9B3033

monochromatic

#133E27 #226C45 #309B63 #43C581 #72D3A0

Accessibility & contrast

On white

3.50

#309B63 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#309B63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B63

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B63	#FFFFFF	#000000	##000000
##309B63	1.00	3.50	5.99	5.99
#FFFFFF	3.50	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8F5F

Deuteranopia (green-blind)

#8D8567

Tritanopia (blue-blind)

#009A8D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #309b63;
/* rgb */ color: rgb(48, 155, 99);
/* oklch */ color: oklch(61.5% 0.129 156.1);

Tailwind

colors: {
  custom: {
    50: '#76b990',
    500: '#309b63',
    950: '#000000',
  },
}

SCSS

$custom: #309b63;
$custom-light: #76b990;
$custom-dark: #000000;

JSON

{
  "hex": "#309b63",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 99
  },
  "hsl": {
    "h": 148.598,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.61473,
    "c": 0.12892,
    "h": 156.1
  },
  "luminance": 0.24972
}

Semantic roles & 50–950 ramp

primary

#309B63

secondary

#BB6C95

accent

#4C97DC

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #309B63

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

Preview Lab → · Contrast checker → · Palette generator →