#1F511F#1F511F

#1F511F is a dark, moderate green. Relative luminance 0.063; OKLCH L 38.8% C 0.096 H 143.4°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F511F
RGB	rgb(31, 81, 31)
HSL	hsl(120, 45%, 22%)
HSV	hsv(120, 62%, 32%)
CMYK	cmyk(61.7%, 0%, 61.7%, 68.2%)
CIE-LAB	lab(30.10, -28.40, 24.11)
CIE-LCH	lch(30.10, 37.26, 139.67°)
OKLab	oklab(38.78% -0.0772 0.0572)
OKLCH	oklch(38.78% 0.096 143.4)
XYZ	xyz(3.7546, 6.2748, 2.3094)
Luminance	0.0628 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F511F #511F51

analogous

#38511F #1F511F #1F5138

triadic

#1F511F #1F1F51 #511F1F

tetradic

#1F511F #1F3851 #511F51 #51381F

square

#1F511F #1F3851 #511F51 #51381F

split-complementary

#1F511F #381F51 #511F38

monochromatic

#081608 #0E250E #1F511F #307D30 #41AA41

Accessibility & contrast

On white

9.31

#1F511F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1F511F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F511F

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F511F	#FFFFFF	#000000	##FFFFFF
##1F511F	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1A

Deuteranopia (green-blind)

#4C4523

Tritanopia (blue-blind)

#174F46

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f511f;
/* rgb */ color: rgb(31, 81, 31);
/* oklch */ color: oklch(38.8% 0.096 143.4);

Tailwind

colors: {
  custom: {
    50: '#61825c',
    500: '#1f511f',
    950: '#000000',
  },
}

SCSS

$custom: #1f511f;
$custom-light: #61825c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f511f",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 31
  },
  "hsl": {
    "h": 120,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.38783,
    "c": 0.09608,
    "h": 143.4
  },
  "luminance": 0.06275
}

Semantic roles & 50–950 ramp

primary

#1F511F

secondary

#864686

accent

#53D4D4

background

#F5F8F5

surface

#EAEFE9

border

#C6CAC5

text

#050A04

muted

#797C79

Preview Lab

Preview with #1F511F

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

Preview Lab → · Contrast checker → · Palette generator →