#309C59#309C59

#309C59 is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.5% C 0.140 H 152.1°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#309C59
RGB	rgb(48, 156, 89)
HSL	hsl(143, 53%, 40%)
HSV	hsv(143, 69%, 61%)
CMYK	cmyk(69.2%, 0%, 42.9%, 38.8%)
CIE-LAB	lab(57.20, -45.85, 26.44)
CIE-LCH	lch(57.20, 52.93, 150.03°)
OKLab	oklab(61.54% -0.1236 0.0654)
OKLCH	oklch(61.54% 0.14 152.1)
XYZ	xyz(14.9093, 25.1250, 13.5131)
Luminance	0.2513 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309C59 #9C3073

analogous

#3D9C30 #309C59 #309C8F

triadic

#309C59 #59309C #9C5930

tetradic

#309C59 #303D9C #9C3073 #9C8F30

square

#309C59 #303D9C #9C3073 #9C8F30

split-complementary

#309C59 #8F309C #9C303D

monochromatic

#133E24 #226D3E #309C59 #44C575 #73D498

Accessibility & contrast

On white

3.49

#309C59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#309C59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309C59

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309C59	#FFFFFF	#000000	##000000
##309C59	1.00	3.49	6.03	6.03
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8F54

Deuteranopia (green-blind)

#8F865E

Tritanopia (blue-blind)

#009A8C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #309c59;
/* rgb */ color: rgb(48, 156, 89);
/* oklch */ color: oklch(61.5% 0.140 152.1);

Tailwind

colors: {
  custom: {
    50: '#76ba88',
    500: '#309c59',
    950: '#000000',
  },
}

SCSS

$custom: #309c59;
$custom-light: #76ba88;
$custom-dark: #000000;

JSON

{
  "hex": "#309c59",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 89
  },
  "hsl": {
    "h": 142.778,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.6154,
    "c": 0.13989,
    "h": 152.1
  },
  "luminance": 0.25127
}

Semantic roles & 50–950 ramp

primary

#309C59

secondary

#BC6C9D

accent

#4BA5DC

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#0A120B

muted

#7C817C

Preview Lab

Preview with #309C59

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

Preview Lab → · Contrast checker → · Palette generator →