#1F972B#1F972B

#1F972B is a mid, vivid green. Relative luminance 0.226; OKLCH L 59.2% C 0.178 H 144.1°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#1F972B
RGB	rgb(31, 151, 43)
HSL	hsl(126, 66%, 36%)
HSV	hsv(126, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 71.5%, 40.8%)
CIE-LAB	lab(54.66, -53.25, 45.67)
CIE-LCH	lch(54.66, 70.15, 139.38°)
OKLab	oklab(59.16% -0.144 0.1044)
OKLCH	oklch(59.16% 0.178 144.1)
XYZ	xyz(12.0669, 22.5975, 6.0108)
Luminance	0.2260 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F972B #971F8B

analogous

#4F971F #1F972B #1F9767

triadic

#1F972B #2B1F97 #972B1F

tetradic

#1F972B #1F4F97 #971F8B #97671F

square

#1F972B #1F4F97 #971F8B #97671F

split-complementary

#1F972B #671F97 #971F4F

monochromatic

#0A310E #15641D #1F972B #29CA39 #54DC62

Accessibility & contrast

On white

3.80

#1F972B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#1F972B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F972B

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F972B	#FFFFFF	#000000	##000000
##1F972B	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A881A

Deuteranopia (green-blind)

#8D7F36

Tritanopia (blue-blind)

#009381

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f972b;
/* rgb */ color: rgb(31, 151, 43);
/* oklch */ color: oklch(59.2% 0.178 144.1);

Tailwind

colors: {
  custom: {
    50: '#71b76b',
    500: '#1f972b',
    950: '#000000',
  },
}

SCSS

$custom: #1f972b;
$custom-light: #71b76b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f972b",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 43
  },
  "hsl": {
    "h": 126,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59161,
    "c": 0.17784,
    "h": 144.1
  },
  "luminance": 0.22599
}

Semantic roles & 50–950 ramp

primary

#1F972B

secondary

#BF52B5

accent

#3FD8E9

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091107

muted

#7B807A

Preview Lab

Preview with #1F972B

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

Preview Lab → · Contrast checker → · Palette generator →