#1F9B2F#1F9B2F

#1F9B2F is a mid, vivid green. Relative luminance 0.239; OKLCH L 60.3% C 0.180 H 144.5°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F9B2F
RGB	rgb(31, 155, 47)
HSL	hsl(128, 67%, 36%)
HSV	hsv(128, 80%, 61%)
CMYK	cmyk(80%, 0%, 69.7%, 39.2%)
CIE-LAB	lab(56.03, -54.18, 45.48)
CIE-LCH	lch(56.03, 70.74, 139.99°)
OKLab	oklab(60.31% -0.1463 0.1045)
OKLCH	oklch(60.31% 0.18 144.5)
XYZ	xyz(12.7986, 23.9377, 6.6347)
Luminance	0.2394 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9B2F #9B1F8B

analogous

#4D9B1F #1F9B2F #1F9B6D

triadic

#1F9B2F #2F1F9B #9B2F1F

tetradic

#1F9B2F #1F4D9B #9B1F8B #9B6D1F

square

#1F9B2F #1F4D9B #9B1F8B #9B6D1F

split-complementary

#1F9B2F #6D1F9B #9B1F4D

monochromatic

#0B3510 #156820 #1F9B2F #29CE3E #57DD68

Accessibility & contrast

On white

3.63

#1F9B2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#1F9B2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9B2F

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9B2F	#FFFFFF	#000000	##000000
##1F9B2F	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8C20

Deuteranopia (green-blind)

#908339

Tritanopia (blue-blind)

#009785

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1f9b2f;
/* rgb */ color: rgb(31, 155, 47);
/* oklch */ color: oklch(60.3% 0.180 144.5);

Tailwind

colors: {
  custom: {
    50: '#72ba6d',
    500: '#1f9b2f',
    950: '#000000',
  },
}

SCSS

$custom: #1f9b2f;
$custom-light: #72ba6d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9b2f",
  "rgb": {
    "r": 31,
    "g": 155,
    "b": 47
  },
  "hsl": {
    "h": 127.742,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.60309,
    "c": 0.1798,
    "h": 144.5
  },
  "luminance": 0.23939
}

Semantic roles & 50–950 ramp

primary

#1F9B2F

secondary

#C155B3

accent

#3ED3EA

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1F9B2F

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

Preview Lab → · Contrast checker → · Palette generator →