#1F9B2A#1F9B2A

#1F9B2A is a mid, vivid green. Relative luminance 0.239; OKLCH L 60.3% C 0.183 H 143.9°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F9B2A
RGB	rgb(31, 155, 42)
HSL	hsl(125, 67%, 36%)
HSV	hsv(125, 80%, 61%)
CMYK	cmyk(80%, 0%, 72.9%, 39.2%)
CIE-LAB	lab(55.99, -54.65, 47.45)
CIE-LCH	lch(55.99, 72.37, 139.03°)
OKLab	oklab(60.27% -0.1478 0.108)
OKLCH	oklch(60.27% 0.183 143.9)
XYZ	xyz(12.7035, 23.8996, 6.1336)
Luminance	0.2390 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9B2A #9B1F90

analogous

#529B1F #1F9B2A #1F9B68

triadic

#1F9B2A #2A1F9B #9B2A1F

tetradic

#1F9B2A #1F529B #9B1F90 #9B681F

square

#1F9B2A #1F529B #9B1F90 #9B681F

split-complementary

#1F9B2A #681F9B #9B1F52

monochromatic

#0B350E #15681C #1F9B2A #29CE38 #57DD63

Accessibility & contrast

On white

3.63

#1F9B2A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#1F9B2A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9B2A

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9B2A	#FFFFFF	#000000	##000000
##1F9B2A	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8C17

Deuteranopia (green-blind)

#918336

Tritanopia (blue-blind)

#009785

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1f9b2a;
/* rgb */ color: rgb(31, 155, 42);
/* oklch */ color: oklch(60.3% 0.183 143.9);

Tailwind

colors: {
  custom: {
    50: '#72ba6a',
    500: '#1f9b2a',
    950: '#000000',
  },
}

SCSS

$custom: #1f9b2a;
$custom-light: #72ba6a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9b2a",
  "rgb": {
    "r": 31,
    "g": 155,
    "b": 42
  },
  "hsl": {
    "h": 125.323,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.60265,
    "c": 0.18308,
    "h": 143.9
  },
  "luminance": 0.23901
}

Semantic roles & 50–950 ramp

primary

#1F9B2A

secondary

#C155B7

accent

#3EDAEA

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#091207

muted

#7B817A

Preview Lab

Preview with #1F9B2A

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

Preview Lab → · Contrast checker → · Palette generator →