#1B4511
Closest named color: Forrest Green (#154406). oklch(34.8% 0.093 140.1), rgb(27, 69, 17).
Aa
White text reads best on this color (11.01:1).
About this color
#1B4511 is a dark, moderately saturated green. In OKLCH its lightness is 35%, its chroma 0.093 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forrest Green (#154406), ΔE 0.011 away. White text reads best on it, at 11.01:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Forrest Green (#154406) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #1B4511 |
| RGB | rgb(27, 69, 17) |
| HSL | hsl(108, 60%, 17%) |
| OKLCH | oklch(34.8% 0.093 140.1) |
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 #1B4511 | 11.01:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #1B4511 | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #1B4511 text on white | 11.01:1 | AAA | Lc 95.2 | Preferred for body text |
| #1B4511 text on black | 1.90:1 | Fails | Lc -7.4 | 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
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CCE0C8
oklch(88.5% 0.039 140.5)
-
Step 300
300
#A9CCA2
oklch(80.8% 0.069 140.4)
-
Step 400
400
#7AB26E
oklch(70.8% 0.112 140.1)
-
Step 500
500
#569E46
oklch(63.2% 0.143 140.1)
-
Step 600
600
#388824
oklch(55.6% 0.156 140.1)
-
Step 700
700
#2A7316
oklch(49.1% 0.144 140)
-
Step 800
800
#245E16
oklch(42.7% 0.12 140.2)
-
Step 900
900 (this color)
#1B4511
oklch(34.8% 0.093 140.1)
-
Step 950
950
#152D10
oklch(26.9% 0.059 140.2)
#1B4511 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) | #473E0A | 0.063 |
| Deuteranopia (no green cones) | #423B16 | 0.063 |
| Tritanopia (no blue cones) | #16433A | 0.061 |
| Achromatopsia (no color) | #3C3C3C | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B4511
#1B4511
oklch(34.8% 0.093 140.1)
- #4F2757
#4F2757
oklch(34.8% 0.093 320.7)
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 #1B4511, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forrest Green #154406 ΔE 0.011
- Pine Green #0A481E ΔE 0.015
- British Racing Green #05480D ΔE 0.017
- Darkgreen #054907 ΔE 0.022
- Hunter Green #0B4008 ΔE 0.024
- Racing Green #014600 ΔE 0.024
- Bottle Green #044A05 ΔE 0.025
- Evergreen #05472A ΔE 0.030
Use #1B4511 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.