#1F8B37#1F8B37

#1F8B37 is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.9% C 0.154 H 146.6°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F8B37
RGB	rgb(31, 139, 55)
HSL	hsl(133, 64%, 33%)
HSV	hsv(133, 78%, 55%)
CMYK	cmyk(77.7%, 0%, 60.4%, 45.5%)
CIE-LAB	lab(50.72, -47.79, 35.95)
CIE-LCH	lch(50.72, 59.80, 143.05°)
OKLab	oklab(55.93% -0.1287 0.085)
OKLCH	oklch(55.93% 0.154 146.6)
XYZ	xyz(10.4865, 19.0311, 6.7344)
Luminance	0.1903 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8B37 #8B1F73

analogous

#3D8B1F #1F8B37 #1F8B6D

triadic

#1F8B37 #371F8B #8B371F

tetradic

#1F8B37 #1F3D8B #8B1F73 #8B6D1F

square

#1F8B37 #1F3D8B #8B1F73 #8B6D1F

split-complementary

#1F8B37 #6D1F8B #8B1F3D

monochromatic

#09270F #145923 #1F8B37 #2ABD4B #4DD76C

Accessibility & contrast

On white

4.37

#1F8B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#1F8B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8B37

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8B37	#FFFFFF	#000000	##000000
##1F8B37	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E2E

Deuteranopia (green-blind)

#81753E

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1f8b37;
/* rgb */ color: rgb(31, 139, 55);
/* oklch */ color: oklch(55.9% 0.154 146.6);

Tailwind

colors: {
  custom: {
    50: '#6dae71',
    500: '#1f8b37',
    950: '#000000',
  },
}

SCSS

$custom: #1f8b37;
$custom-light: #6dae71;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8b37",
  "rgb": {
    "r": 31,
    "g": 139,
    "b": 55
  },
  "hsl": {
    "h": 133.333,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.55933,
    "c": 0.15423,
    "h": 146.6
  },
  "luminance": 0.19032
}

Semantic roles & 50–950 ramp

primary

#1F8B37

secondary

#BA4CA2

accent

#41C2E7

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1F8B37

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

Preview Lab → · Contrast checker → · Palette generator →