#1F9B2D#1F9B2D

#1F9B2D is a mid, vivid green. Relative luminance 0.239; OKLCH L 60.3% C 0.181 H 144.2°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F9B2D
RGB	rgb(31, 155, 45)
HSL	hsl(127, 67%, 36%)
HSV	hsv(127, 80%, 61%)
CMYK	cmyk(80%, 0%, 71%, 39.2%)
CIE-LAB	lab(56.01, -54.37, 46.28)
CIE-LCH	lch(56.01, 71.40, 139.59°)
OKLab	oklab(60.29% -0.1469 0.1059)
OKLCH	oklch(60.29% 0.181 144.2)
XYZ	xyz(12.7592, 23.9219, 6.4271)
Luminance	0.2392 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9B2D #9B1F8D

analogous

#4F9B1F #1F9B2D #1F9B6B

triadic

#1F9B2D #2D1F9B #9B2D1F

tetradic

#1F9B2D #1F4F9B #9B1F8D #9B6B1F

square

#1F9B2D #1F4F9B #9B1F8D #9B6B1F

split-complementary

#1F9B2D #6B1F9B #9B1F4F

monochromatic

#0B350F #15681E #1F9B2D #29CE3C #57DD66

Accessibility & contrast

On white

3.63

#1F9B2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#1F9B2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9B2D

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9B2D	#FFFFFF	#000000	##000000
##1F9B2D	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)

#9E8C1C

Deuteranopia (green-blind)

#918338

Tritanopia (blue-blind)

#009785

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1f9b2d;
/* rgb */ color: rgb(31, 155, 45);
/* oklch */ color: oklch(60.3% 0.181 144.2);

Tailwind

colors: {
  custom: {
    50: '#72ba6c',
    500: '#1f9b2d',
    950: '#000000',
  },
}

SCSS

$custom: #1f9b2d;
$custom-light: #72ba6c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9b2d",
  "rgb": {
    "r": 31,
    "g": 155,
    "b": 45
  },
  "hsl": {
    "h": 126.774,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.60291,
    "c": 0.18114,
    "h": 144.2
  },
  "luminance": 0.23923
}

Semantic roles & 50–950 ramp

primary

#1F9B2D

secondary

#C155B5

accent

#3ED6EA

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1F9B2D

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

Preview Lab → · Contrast checker → · Palette generator →