#1B540D
Closest named color: Forest (#0B5509). oklch(39.3% 0.117 140.3), rgb(27, 84, 13).
Aa
White text reads best on this color (9.04:1).
About this color
#1B540D is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.117 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.010 away. White text reads best on it, at 9.04:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #1B540D |
| RGB | rgb(27, 84, 13) |
| HSL | hsl(108, 73%, 19%) |
| OKLCH | oklch(39.3% 0.117 140.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1B540D | 9.04:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #1B540D | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #1B540D text on white | 9.04:1 | AAA | Lc 90.4 | Preferred for body text |
| #1B540D text on black | 2.32:1 | Fails | Lc -11.9 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F1F7F0
oklch(97% 0.011 141.3)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C9E2C3
oklch(88.6% 0.05 139.6)
-
Step 300
300
#A3CF9A
oklch(80.9% 0.087 140.3)
-
Step 400
400
#6EB65F
oklch(70.8% 0.141 140.2)
-
Step 500
500
#42A22B
oklch(63.1% 0.179 140.2)
-
Step 600
600
#258B00
oklch(55.7% 0.181 140.4)
-
Step 700
700
#1E7500
oklch(49.2% 0.159 140.3)
-
Step 800
800
#176000
oklch(42.8% 0.139 140.3)
-
Step 900
900 (this color)
#1B540D
oklch(39.3% 0.117 140.3)
-
Step 950
950
#0F2F08
oklch(27.1% 0.074 140.3)
#1B540D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #564C00 | 0.077 |
| Deuteranopia (no green cones) | #504715 | 0.079 |
| Tritanopia (no blue cones) | #125147 | 0.078 |
| Achromatopsia (no color) | #494949 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B540D
#1B540D
oklch(39.3% 0.117 140.3)
- #612D6C
#612D6C
oklch(39.5% 0.117 320.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B540D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.010
- Deep Green #02590F ΔE 0.018
- Navy Green #35530A ΔE 0.026
- Bottle Green #044A05 ΔE 0.038
- Darkgreen #054907 ΔE 0.041
- British Racing Green #05480D ΔE 0.045
- Pine Green #0A481E ΔE 0.049
- Spruce #0A5F38 ΔE 0.050
Use #1B540D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.