#1F4B08#1F4B08

#1F4B08 is a dark, moderate yellow-green. Relative luminance 0.053; OKLCH L 36.7% C 0.105 H 137.7°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#1F4B08
RGB	rgb(31, 75, 8)
HSL	hsl(99, 81%, 16%)
HSV	hsv(99, 89%, 29%)
CMYK	cmyk(58.7%, 0%, 89.3%, 70.6%)
CIE-LAB	lab(27.68, -28.12, 32.14)
CIE-LCH	lch(27.68, 42.70, 131.18°)
OKLab	oklab(36.73% -0.0779 0.071)
OKLCH	oklch(36.73% 0.105 137.7)
XYZ	xyz(3.1249, 5.3407, 1.0959)
Luminance	0.0534 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4B08 #34084B

analogous

#414B08 #1F4B08 #084B13

triadic

#1F4B08 #081F4B #4B081F

tetradic

#1F4B08 #08414B #34084B #4B1308

square

#1F4B08 #08414B #34084B #4B1308

split-complementary

#1F4B08 #13084B #4B0841

monochromatic

#0B1C03 #0B1C03 #1F4B08 #36820E #4DBA14

Accessibility & contrast

On white

10.15

#1F4B08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1F4B08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4B08

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4B08	#FFFFFF	#000000	##FFFFFF
##1F4B08	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4400

Deuteranopia (green-blind)

#484010

Tritanopia (blue-blind)

#1C483F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1f4b08;
/* rgb */ color: rgb(31, 75, 8);
/* oklch */ color: oklch(36.7% 0.105 137.7);

Tailwind

colors: {
  custom: {
    50: '#617e4e',
    500: '#1f4b08',
    950: '#000000',
  },
}

SCSS

$custom: #1f4b08;
$custom-light: #617e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4b08",
  "rgb": {
    "r": 31,
    "g": 75,
    "b": 8
  },
  "hsl": {
    "h": 99.403,
    "s": 80.723,
    "l": 16.275
  },
  "oklch": {
    "l": 0.36729,
    "c": 0.10544,
    "h": 137.7
  },
  "luminance": 0.05341
}

Semantic roles & 50–950 ramp

primary

#1F4B08

secondary

#672689

accent

#31F7B3

background

#F5F7F4

surface

#EAEEE7

border

#C6C9C3

text

#050A02

muted

#797C78

Preview Lab

Preview with #1F4B08

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

Preview Lab → · Contrast checker → · Palette generator →