#1F8A37#1F8A37

#1F8A37 is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.7% C 0.153 H 146.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F8A37
RGB	rgb(31, 138, 55)
HSL	hsl(133, 63%, 33%)
HSV	hsv(133, 78%, 54%)
CMYK	cmyk(77.5%, 0%, 60.1%, 45.9%)
CIE-LAB	lab(50.38, -47.44, 35.55)
CIE-LCH	lch(50.38, 59.28, 143.15°)
OKLab	oklab(55.65% -0.1277 0.0842)
OKLCH	oklch(55.65% 0.153 146.6)
XYZ	xyz(10.3424, 18.7429, 6.6864)
Luminance	0.1874 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8A37 #8A1F72

analogous

#3C8A1F #1F8A37 #1F8A6C

triadic

#1F8A37 #371F8A #8A371F

tetradic

#1F8A37 #1F3C8A #8A1F72 #8A6C1F

square

#1F8A37 #1F3C8A #8A1F72 #8A6C1F

split-complementary

#1F8A37 #6C1F8A #8A1F3C

monochromatic

#09260F #145823 #1F8A37 #2ABC4B #4CD76C

Accessibility & contrast

On white

4.42

#1F8A37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1F8A37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8A37

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8A37	#FFFFFF	#000000	##000000
##1F8A37	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7D2F

Deuteranopia (green-blind)

#80753E

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f8a37;
/* rgb */ color: rgb(31, 138, 55);
/* oklch */ color: oklch(55.7% 0.153 146.6);

Tailwind

colors: {
  custom: {
    50: '#6dad70',
    500: '#1f8a37',
    950: '#000000',
  },
}

SCSS

$custom: #1f8a37;
$custom-light: #6dad70;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8a37",
  "rgb": {
    "r": 31,
    "g": 138,
    "b": 55
  },
  "hsl": {
    "h": 133.458,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.55652,
    "c": 0.15296,
    "h": 146.6
  },
  "luminance": 0.18744
}

Semantic roles & 50–950 ramp

primary

#1F8A37

secondary

#BA4BA1

accent

#41C1E6

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1F8A37

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

Preview Lab → · Contrast checker → · Palette generator →