#1B4002#1B4002

#1B4002 is a dark, moderate yellow-green. Relative luminance 0.039; OKLCH L 33.1% C 0.097 H 136.3°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B4002
RGB	rgb(27, 64, 2)
HSL	hsl(96, 94%, 13%)
HSV	hsv(96, 97%, 25%)
CMYK	cmyk(57.8%, 0%, 96.9%, 74.9%)
CIE-LAB	lab(23.35, -25.07, 30.39)
CIE-LCH	lch(23.35, 39.40, 129.52°)
OKLab	oklab(33.1% -0.07 0.0668)
OKLCH	oklch(33.1% 0.097 136.3)
XYZ	xyz(2.2963, 3.9040, 0.6900)
Luminance	0.0390 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 1.94

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4002 #270240

analogous

#3A4002 #1B4002 #024008

triadic

#1B4002 #021B40 #40021B

tetradic

#1B4002 #023A40 #270240 #400802

square

#1B4002 #023A40 #270240 #400802

split-complementary

#1B4002 #080240 #40023A

monochromatic

#0D1E01 #0D1E01 #1B4002 #347B04 #4DB706

Accessibility & contrast

On white

11.79

#1B4002 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1B4002 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4002

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4002	#FFFFFF	#000000	##FFFFFF
##1B4002	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A00

Deuteranopia (green-blind)

#3E3709

Tritanopia (blue-blind)

#193D35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1b4002;
/* rgb */ color: rgb(27, 64, 2);
/* oklch */ color: oklch(33.1% 0.097 136.3);

Tailwind

colors: {
  custom: {
    50: '#5d7549',
    500: '#1b4002',
    950: '#000000',
  },
}

SCSS

$custom: #1b4002;
$custom-light: #5d7549;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4002",
  "rgb": {
    "r": 27,
    "g": 64,
    "b": 2
  },
  "hsl": {
    "h": 95.806,
    "s": 93.939,
    "l": 12.941
  },
  "oklch": {
    "l": 0.33096,
    "c": 0.09679,
    "h": 136.3
  },
  "luminance": 0.03904
}

Semantic roles & 50–950 ramp

primary

#1B4002

secondary

#591B83

accent

#29FFA9

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040801

muted

#797B77

Preview Lab

Preview with #1B4002

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

Preview Lab → · Contrast checker → · Palette generator →