#1F9D3B#1F9D3B

#1F9D3B is a mid, vivid green. Relative luminance 0.247; OKLCH L 61.0% C 0.173 H 146.2°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#1F9D3B
RGB	rgb(31, 157, 59)
HSL	hsl(133, 67%, 37%)
HSV	hsv(133, 80%, 62%)
CMYK	cmyk(80.3%, 0%, 62.4%, 38.4%)
CIE-LAB	lab(56.80, -53.50, 41.05)
CIE-LCH	lch(56.80, 67.44, 142.50°)
OKLab	oklab(60.99% -0.144 0.0964)
OKLCH	oklch(60.99% 0.173 146.2)
XYZ	xyz(13.4105, 24.7194, 8.2014)
Luminance	0.2472 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9D3B #9D1F81

analogous

#429D1F #1F9D3B #1F9D7A

triadic

#1F9D3B #3B1F9D #9D3B1F

tetradic

#1F9D3B #1F429D #9D1F81 #9D7A1F

square

#1F9D3B #1F429D #9D1F81 #9D7A1F

split-complementary

#1F9D3B #7A1F9D #9D1F42

monochromatic

#0B3715 #156A28 #1F9D3B #29D04E #58DE76

Accessibility & contrast

On white

3.53

#1F9D3B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#1F9D3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9D3B

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9D3B	#FFFFFF	#000000	##000000
##1F9D3B	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8E30

Deuteranopia (green-blind)

#918543

Tritanopia (blue-blind)

#009988

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1f9d3b;
/* rgb */ color: rgb(31, 157, 59);
/* oklch */ color: oklch(61.0% 0.173 146.2);

Tailwind

colors: {
  custom: {
    50: '#72bb75',
    500: '#1f9d3b',
    950: '#000000',
  },
}

SCSS

$custom: #1f9d3b;
$custom-light: #72bb75;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9d3b",
  "rgb": {
    "r": 31,
    "g": 157,
    "b": 59
  },
  "hsl": {
    "h": 133.333,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.60989,
    "c": 0.17328,
    "h": 146.2
  },
  "luminance": 0.24721
}

Semantic roles & 50–950 ramp

primary

#1F9D3B

secondary

#C256AA

accent

#3EC4EA

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091208

muted

#7B817B

Preview Lab

Preview with #1F9D3B

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

Preview Lab → · Contrast checker → · Palette generator →