#1B3F06#1B3F06

#1B3F06 is a dark, moderate yellow-green. Relative luminance 0.038; OKLCH L 32.8% C 0.092 H 136.9°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#1B3F06
RGB	rgb(27, 63, 6)
HSL	hsl(98, 83%, 14%)
HSV	hsv(98, 90%, 25%)
CMYK	cmyk(57.1%, 0%, 90.5%, 75.3%)
CIE-LAB	lab(23.00, -24.29, 28.41)
CIE-LCH	lch(23.00, 37.37, 130.53°)
OKLab	oklab(32.82% -0.0675 0.0632)
OKLCH	oklch(32.82% 0.092 136.9)
XYZ	xyz(2.2623, 3.8010, 0.7867)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 2.17

Hunter Green (survey)

#0B4008

ΔE00 2.58

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3F06 #2A063F

analogous

#373F06 #1B3F06 #063F0D

triadic

#1B3F06 #061B3F #3F061B

tetradic

#1B3F06 #06373F #2A063F #3F0D06

square

#1B3F06 #06373F #2A063F #3F0D06

split-complementary

#1B3F06 #0D063F #3F0637

monochromatic

#0C1C03 #0C1C03 #1B3F06 #33770B #4BAF11

Accessibility & contrast

On white

11.93

#1B3F06 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1B3F06 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3F06

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3F06	#FFFFFF	#000000	##FFFFFF
##1B3F06	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413900

Deuteranopia (green-blind)

#3D360C

Tritanopia (blue-blind)

#193C35

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b3f06;
/* rgb */ color: rgb(27, 63, 6);
/* oklch */ color: oklch(32.8% 0.092 136.9);

Tailwind

colors: {
  custom: {
    50: '#5c744b',
    500: '#1b3f06',
    950: '#000000',
  },
}

SCSS

$custom: #1b3f06;
$custom-light: #5c744b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3f06",
  "rgb": {
    "r": 27,
    "g": 63,
    "b": 6
  },
  "hsl": {
    "h": 97.895,
    "s": 82.609,
    "l": 13.529
  },
  "oklch": {
    "l": 0.32818,
    "c": 0.09248,
    "h": 136.9
  },
  "luminance": 0.03801
}

Semantic roles & 50–950 ramp

primary

#1B3F06

secondary

#5D227F

accent

#2FF9AE

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040801

muted

#797B77

Preview Lab

Preview with #1B3F06

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

Preview Lab → · Contrast checker → · Palette generator →