#1F912F#1F912F

#1F912F is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.5% C 0.168 H 144.8°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#1F912F
RGB	rgb(31, 145, 47)
HSL	hsl(128, 65%, 35%)
HSV	hsv(128, 79%, 57%)
CMYK	cmyk(78.6%, 0%, 67.6%, 43.1%)
CIE-LAB	lab(52.67, -50.84, 41.86)
CIE-LCH	lch(52.67, 65.86, 140.54°)
OKLab	oklab(57.52% -0.1373 0.0969)
OKLCH	oklch(57.52% 0.168 144.8)
XYZ	xyz(11.2028, 20.7460, 6.1027)
Luminance	0.2075 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F912F #911F81

analogous

#48911F #1F912F #1F9168

triadic

#1F912F #2F1F91 #912F1F

tetradic

#1F912F #1F4891 #911F81 #91681F

square

#1F912F #1F4891 #911F81 #91681F

split-complementary

#1F912F #681F91 #911F48

monochromatic

#092C0E #145F1F #1F912F #2AC33F #51DA64

Accessibility & contrast

On white

4.08

#1F912F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#1F912F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F912F

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F912F	#FFFFFF	#000000	##000000
##1F912F	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948322

Deuteranopia (green-blind)

#877A38

Tritanopia (blue-blind)

#008D7D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1f912f;
/* rgb */ color: rgb(31, 145, 47);
/* oklch */ color: oklch(57.5% 0.168 144.8);

Tailwind

colors: {
  custom: {
    50: '#6fb26c',
    500: '#1f912f',
    950: '#000000',
  },
}

SCSS

$custom: #1f912f;
$custom-light: #6fb26c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f912f",
  "rgb": {
    "r": 31,
    "g": 145,
    "b": 47
  },
  "hsl": {
    "h": 128.421,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57522,
    "c": 0.168,
    "h": 144.8
  },
  "luminance": 0.20747
}

Semantic roles & 50–950 ramp

primary

#1F912F

secondary

#BD4FAD

accent

#40D0E8

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1F912F

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

Preview Lab → · Contrast checker → · Palette generator →