#1F8B2B#1F8B2B

#1F8B2B is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.164 H 144.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F8B2B
RGB	rgb(31, 139, 43)
HSL	hsl(127, 64%, 33%)
HSV	hsv(127, 78%, 55%)
CMYK	cmyk(77.7%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(50.60, -49.23, 41.36)
CIE-LCH	lch(50.60, 64.30, 139.97°)
OKLab	oklab(55.8% -0.1331 0.0953)
OKLCH	oklch(55.8% 0.164 144.4)
XYZ	xyz(10.2330, 18.9298, 5.3995)
Luminance	0.1893 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8B2B #8B1F7F

analogous

#498B1F #1F8B2B #1F8B61

triadic

#1F8B2B #2B1F8B #8B2B1F

tetradic

#1F8B2B #1F498B #8B1F7F #8B611F

square

#1F8B2B #1F498B #8B1F7F #8B611F

split-complementary

#1F8B2B #611F8B #8B1F49

monochromatic

#09270C #14591C #1F8B2B #2ABD3A #4DD75C

Accessibility & contrast

On white

4.39

#1F8B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1F8B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8B2B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8B2B	#FFFFFF	#000000	##000000
##1F8B2B	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E1E

Deuteranopia (green-blind)

#827534

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f8b2b;
/* rgb */ color: rgb(31, 139, 43);
/* oklch */ color: oklch(55.8% 0.164 144.4);

Tailwind

colors: {
  custom: {
    50: '#6eae69',
    500: '#1f8b2b',
    950: '#000000',
  },
}

SCSS

$custom: #1f8b2b;
$custom-light: #6eae69;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8b2b",
  "rgb": {
    "r": 31,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 126.667,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.55796,
    "c": 0.16368,
    "h": 144.4
  },
  "luminance": 0.18931
}

Semantic roles & 50–950 ramp

primary

#1F8B2B

secondary

#BA4CAE

accent

#41D4E7

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #1F8B2B

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

Preview Lab → · Contrast checker → · Palette generator →