#1B510C#1B510C

#1B510C is a dark, moderate green. Relative luminance 0.061; OKLCH L 38.4% C 0.113 H 140.0°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B510C
RGB	rgb(27, 81, 12)
HSL	hsl(107, 74%, 18%)
HSV	hsv(107, 85%, 32%)
CMYK	cmyk(66.7%, 0%, 85.2%, 68.2%)
CIE-LAB	lab(29.77, -31.58, 32.61)
CIE-LCH	lch(29.77, 45.40, 134.08°)
OKLab	oklab(38.42% -0.0867 0.0727)
OKLCH	oklch(38.42% 0.113 140)
XYZ	xyz(3.4606, 6.1441, 1.3513)
Luminance	0.0614 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B510C #420C51

analogous

#3D510C #1B510C #0C511F

triadic

#1B510C #0C1B51 #510C1B

tetradic

#1B510C #0C3D51 #420C51 #511F0C

square

#1B510C #0C3D51 #420C51 #511F0C

split-complementary

#1B510C #1F0C51 #510C3D

monochromatic

#091B04 #091C04 #1B510C #2D8614 #3FBC1C

Accessibility & contrast

On white

9.42

#1B510C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1B510C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B510C

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B510C	#FFFFFF	#000000	##FFFFFF
##1B510C	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534900

Deuteranopia (green-blind)

#4D4414

Tritanopia (blue-blind)

#144E44

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b510c;
/* rgb */ color: rgb(27, 81, 12);
/* oklch */ color: oklch(38.4% 0.113 140.0);

Tailwind

colors: {
  custom: {
    50: '#608251',
    500: '#1b510c',
    950: '#000000',
  },
}

SCSS

$custom: #1b510c;
$custom-light: #608251;
$custom-dark: #000000;

JSON

{
  "hex": "#1b510c",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 12
  },
  "hsl": {
    "h": 106.957,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.38419,
    "c": 0.11317,
    "h": 140
  },
  "luminance": 0.06144
}

Semantic roles & 50–950 ramp

primary

#1B510C

secondary

#782C8C

accent

#37F1C8

background

#F5F8F4

surface

#EAEFE7

border

#C6CAC3

text

#050A02

muted

#797C78

Preview Lab

Preview with #1B510C

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

Preview Lab → · Contrast checker → · Palette generator →