#1F9F37#1F9F37

#1F9F37 is a mid, vivid green. Relative luminance 0.254; OKLCH L 61.5% C 0.179 H 145.5°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F9F37
RGB	rgb(31, 159, 55)
HSL	hsl(131, 67%, 37%)
HSV	hsv(131, 81%, 62%)
CMYK	cmyk(80.5%, 0%, 65.4%, 37.6%)
CIE-LAB	lab(57.43, -54.64, 43.57)
CIE-LCH	lch(57.43, 69.89, 141.43°)
OKLab	oklab(61.5% -0.1473 0.1013)
OKLCH	oklch(61.5% 0.179 145.5)
XYZ	xyz(13.6518, 25.3618, 7.7895)
Luminance	0.2536 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9F37 #9F1F87

analogous

#479F1F #1F9F37 #1F9F77

triadic

#1F9F37 #371F9F #9F371F

tetradic

#1F9F37 #1F479F #9F1F87 #9F771F

square

#1F9F37 #1F479F #9F1F87 #9F771F

split-complementary

#1F9F37 #771F9F #9F1F47

monochromatic

#0B3914 #156C25 #1F9F37 #29D249 #5ADF73

Accessibility & contrast

On white

3.46

#1F9F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#1F9F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9F37

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9F37	#FFFFFF	#000000	##000000
##1F9F37	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2902A

Deuteranopia (green-blind)

#948640

Tritanopia (blue-blind)

#009B89

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f9f37;
/* rgb */ color: rgb(31, 159, 55);
/* oklch */ color: oklch(61.5% 0.179 145.5);

Tailwind

colors: {
  custom: {
    50: '#72bd72',
    500: '#1f9f37',
    950: '#000000',
  },
}

SCSS

$custom: #1f9f37;
$custom-light: #72bd72;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9f37",
  "rgb": {
    "r": 31,
    "g": 159,
    "b": 55
  },
  "hsl": {
    "h": 131.25,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.61496,
    "c": 0.17877,
    "h": 145.5
  },
  "luminance": 0.25363
}

Semantic roles & 50–950 ramp

primary

#1F9F37

secondary

#C357AF

accent

#3ECAEA

background

#F7FBF7

surface

#EEF7ED

border

#C9D0C8

text

#091208

muted

#7B817B

Preview Lab

Preview with #1F9F37

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

Preview Lab → · Contrast checker → · Palette generator →