#1F9C2B#1F9C2B

#1F9C2B is a mid, vivid green. Relative luminance 0.242; OKLCH L 60.6% C 0.184 H 143.9°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F9C2B
RGB	rgb(31, 156, 43)
HSL	hsl(126, 67%, 37%)
HSV	hsv(126, 80%, 61%)
CMYK	cmyk(80.1%, 0%, 72.4%, 38.8%)
CIE-LAB	lab(56.33, -54.88, 47.41)
CIE-LCH	lch(56.33, 72.53, 139.18°)
OKLab	oklab(60.55% -0.1484 0.108)
OKLCH	oklch(60.55% 0.184 143.9)
XYZ	xyz(12.8887, 24.2411, 6.2848)
Luminance	0.2424 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9C2B #9C1F90

analogous

#529C1F #1F9C2B #1F9C6A

triadic

#1F9C2B #2B1F9C #9C2B1F

tetradic

#1F9C2B #1F529C #9C1F90 #9C6A1F

square

#1F9C2B #1F529C #9C1F90 #9C6A1F

split-complementary

#1F9C2B #6A1F9C #9C1F52

monochromatic

#0B360F #15691D #1F9C2B #29CF39 #58DE65

Accessibility & contrast

On white

3.59

#1F9C2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#1F9C2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9C2B

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9C2B	#FFFFFF	#000000	##000000
##1F9C2B	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8D18

Deuteranopia (green-blind)

#928336

Tritanopia (blue-blind)

#009886

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #1f9c2b;
/* rgb */ color: rgb(31, 156, 43);
/* oklch */ color: oklch(60.6% 0.184 143.9);

Tailwind

colors: {
  custom: {
    50: '#72ba6b',
    500: '#1f9c2b',
    950: '#000000',
  },
}

SCSS

$custom: #1f9c2b;
$custom-light: #72ba6b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9c2b",
  "rgb": {
    "r": 31,
    "g": 156,
    "b": 43
  },
  "hsl": {
    "h": 125.76,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.60552,
    "c": 0.18359,
    "h": 143.9
  },
  "luminance": 0.24243
}

Semantic roles & 50–950 ramp

primary

#1F9C2B

secondary

#C155B7

accent

#3ED9EA

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1F9C2B

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

Preview Lab → · Contrast checker → · Palette generator →