#309B21#309B21

#309B21 is a mid, vivid green. Relative luminance 0.242; OKLCH L 60.6% C 0.183 H 141.4°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#309B21
RGB	rgb(48, 155, 33)
HSL	hsl(113, 65%, 37%)
HSV	hsv(113, 79%, 61%)
CMYK	cmyk(69%, 0%, 78.7%, 39.2%)
CIE-LAB	lab(56.27, -52.47, 51.08)
CIE-LCH	lch(56.27, 73.23, 135.77°)
OKLab	oklab(60.58% -0.1432 0.1142)
OKLCH	oklch(60.58% 0.183 141.4)
XYZ	xyz(13.2141, 24.1795, 5.4093)
Luminance	0.2418 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B21 #8C219B

analogous

#6D9B21 #309B21 #219B4F

triadic

#309B21 #21309B #9B2130

tetradic

#309B21 #216D9B #8C219B #9B4F21

square

#309B21 #216D9B #8C219B #9B4F21

split-complementary

#309B21 #4F219B #9B216D

monochromatic

#11360C #206916 #309B21 #40CD2C #6ADC5A

Accessibility & contrast

On white

3.60

#309B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#309B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B21

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B21	#FFFFFF	#000000	##000000
##309B21	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C00

Deuteranopia (green-blind)

#92842F

Tritanopia (blue-blind)

#189684

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #309b21;
/* rgb */ color: rgb(48, 155, 33);
/* oklch */ color: oklch(60.6% 0.183 141.4);

Tailwind

colors: {
  custom: {
    50: '#78b966',
    500: '#309b21',
    950: '#000000',
  },
}

SCSS

$custom: #309b21;
$custom-light: #78b966;
$custom-dark: #000000;

JSON

{
  "hex": "#309b21",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 112.623,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.60576,
    "c": 0.18321,
    "h": 141.4
  },
  "luminance": 0.24181
}

Semantic roles & 50–950 ramp

primary

#309B21

secondary

#B358C0

accent

#40E8D3

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #309B21

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

Preview Lab → · Contrast checker → · Palette generator →