#1F971F#1F971F

#1F971F is a mid, vivid green. Relative luminance 0.225; OKLCH L 59.1% C 0.185 H 142.8°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F971F
RGB	rgb(31, 151, 31)
HSL	hsl(120, 66%, 36%)
HSV	hsv(120, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 79.5%, 40.8%)
CIE-LAB	lab(54.58, -54.23, 49.98)
CIE-LCH	lch(54.58, 73.75, 137.33°)
OKLab	oklab(59.07% -0.1472 0.1118)
OKLCH	oklch(59.07% 0.185 142.8)
XYZ	xyz(11.8783, 22.5220, 5.0172)
Luminance	0.2252 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F971F #971F97

analogous

#5B971F #1F971F #1F975B

triadic

#1F971F #1F1F97 #971F1F

tetradic

#1F971F #1F5B97 #971F97 #975B1F

square

#1F971F #1F5B97 #971F97 #975B1F

split-complementary

#1F971F #5B1F97 #971F5B

monochromatic

#0A310A #156415 #1F971F #29CA29 #54DC54

Accessibility & contrast

On white

3.81

#1F971F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#1F971F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F971F

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F971F	#FFFFFF	#000000	##000000
##1F971F	1.00	3.81	5.50	5.50
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8800

Deuteranopia (green-blind)

#8D7F2D

Tritanopia (blue-blind)

#009281

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f971f;
/* rgb */ color: rgb(31, 151, 31);
/* oklch */ color: oklch(59.1% 0.185 142.8);

Tailwind

colors: {
  custom: {
    50: '#72b765',
    500: '#1f971f',
    950: '#000000',
  },
}

SCSS

$custom: #1f971f;
$custom-light: #72b765;
$custom-dark: #000000;

JSON

{
  "hex": "#1f971f",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 31
  },
  "hsl": {
    "h": 120,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.5907,
    "c": 0.18482,
    "h": 142.8
  },
  "luminance": 0.22523
}

Semantic roles & 50–950 ramp

primary

#1F971F

secondary

#BF52BF

accent

#3FE9E9

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1F971F

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

Preview Lab → · Contrast checker → · Palette generator →