#1F9B2B#1F9B2B

#1F9B2B is a mid, vivid green. Relative luminance 0.239; OKLCH L 60.3% C 0.182 H 144.0°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F9B2B
RGB	rgb(31, 155, 43)
HSL	hsl(126, 67%, 36%)
HSV	hsv(126, 80%, 61%)
CMYK	cmyk(80%, 0%, 72.3%, 39.2%)
CIE-LAB	lab(55.99, -54.56, 47.06)
CIE-LCH	lch(55.99, 72.05, 139.22°)
OKLab	oklab(60.27% -0.1475 0.1073)
OKLCH	oklch(60.27% 0.182 144)
XYZ	xyz(12.7216, 23.9069, 6.2291)
Luminance	0.2391 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9B2B #9B1F8F

analogous

#519B1F #1F9B2B #1F9B69

triadic

#1F9B2B #2B1F9B #9B2B1F

tetradic

#1F9B2B #1F519B #9B1F8F #9B691F

square

#1F9B2B #1F519B #9B1F8F #9B691F

split-complementary

#1F9B2B #691F9B #9B1F51

monochromatic

#0B350F #15681D #1F9B2B #29CE39 #57DD64

Accessibility & contrast

On white

3.63

#1F9B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#1F9B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9B2B

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9B2B	#FFFFFF	#000000	##000000
##1F9B2B	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)

#9E8C19

Deuteranopia (green-blind)

#918336

Tritanopia (blue-blind)

#009785

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1f9b2b;
/* rgb */ color: rgb(31, 155, 43);
/* oklch */ color: oklch(60.3% 0.182 144.0);

Tailwind

colors: {
  custom: {
    50: '#72ba6b',
    500: '#1f9b2b',
    950: '#000000',
  },
}

SCSS

$custom: #1f9b2b;
$custom-light: #72ba6b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9b2b",
  "rgb": {
    "r": 31,
    "g": 155,
    "b": 43
  },
  "hsl": {
    "h": 125.806,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.60274,
    "c": 0.18245,
    "h": 144
  },
  "luminance": 0.23908
}

Semantic roles & 50–950 ramp

primary

#1F9B2B

secondary

#C155B7

accent

#3ED9EA

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1F9B2B

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

Preview Lab → · Contrast checker → · Palette generator →