#1B4000
Closest named color: Hunter Green (#0B4008). oklch(33.1% 0.098 136), rgb(27, 64, 0).
Aa
White text reads best on this color (11.79:1).
About this color
#1B4000 is a dark, moderately saturated green. In OKLCH its lightness is 33%, its chroma 0.098 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hunter Green (#0B4008), ΔE 0.012 away. White text reads best on it, at 11.79:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Hunter Green (#0B4008) |
| Black text | 1.77:1 |
| White text | 11.79:1 |
Values
| HEX | #1B4000 |
| RGB | rgb(27, 64, 0) |
| HSL | hsl(95, 100%, 13%) |
| OKLCH | oklch(33.1% 0.098 136) |
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 #1B4000 | 11.79:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #1B4000 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #1B4000 text on white | 11.79:1 | AAA | Lc 96.8 | Preferred for body text |
| #1B4000 text on black | 1.77:1 | Fails | Lc 0.0 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#ACCC9D
oklch(80.9% 0.073 135.8)
-
Step 400
400
#7EB165
oklch(70.6% 0.118 136)
-
Step 500
500
#5D9D37
oklch(63.1% 0.151 135.8)
-
Step 600
600
#418704
oklch(55.6% 0.164 136)
-
Step 700
700
#357200
oklch(49.1% 0.146 136)
-
Step 800
800
#2B5D01
oklch(42.6% 0.126 135.8)
-
Step 900
900 (this color)
#1B4000
oklch(33.1% 0.098 136)
-
Step 950
950
#172D0B
oklch(27% 0.063 136.2)
#1B4000 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) | #433900 | 0.062 |
| Deuteranopia (no green cones) | #3E3707 | 0.059 |
| Tritanopia (no blue cones) | #193D35 | 0.071 |
| Achromatopsia (no color) | #383838 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B4000
#1B4000
oklch(33.1% 0.098 136)
- #492257
#492257
oklch(33.1% 0.099 316.3)
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 #1B4000, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hunter Green #0B4008 ΔE 0.012
- Forrest Green #154406 ΔE 0.013
- Racing Green #014600 ΔE 0.024
- British Racing Green #05480D ΔE 0.026
- Darkgreen #054907 ΔE 0.030
- Pine Green #0A481E ΔE 0.032
- Bottle Green #044A05 ΔE 0.033
- Dark Olive #373E02 ΔE 0.039
Use #1B4000 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.