#1B440B
Closest named color: Forrest Green (#154406). oklch(34.4% 0.096 138.6), rgb(27, 68, 11).
Aa
White text reads best on this color (11.18:1).
About this color
#1B440B is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.096 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forrest Green (#154406), ΔE 0.007 away. White text reads best on it, at 11.18:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Forrest Green (#154406) |
| Black text | 1.87:1 |
| White text | 11.18:1 |
Values
| HEX | #1B440B |
| RGB | rgb(27, 68, 11) |
| HSL | hsl(103, 72%, 15%) |
| OKLCH | oklch(34.4% 0.096 138.6) |
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 #1B440B | 11.18:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #1B440B | 1.87:1 | Fails | Lc 8.3 | Not readable |
| #1B440B text on white | 11.18:1 | AAA | Lc 95.6 | Preferred for body text |
| #1B440B text on black | 1.87:1 | 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
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CCE0C7
oklch(88.5% 0.04 139.4)
-
Step 300
300
#AACC9F
oklch(80.8% 0.072 138.1)
-
Step 400
400
#7BB26A
oklch(70.7% 0.116 138.5)
-
Step 500
500
#579E40
oklch(63.1% 0.148 138.7)
-
Step 600
600
#3A881A
oklch(55.6% 0.16 138.7)
-
Step 700
700
#2C7309
oklch(49.1% 0.149 138.6)
-
Step 800
800
#265E0E
oklch(42.8% 0.124 138.5)
-
Step 900
900 (this color)
#1B440B
oklch(34.4% 0.096 138.6)
-
Step 950
950
#162D0E
oklch(26.9% 0.061 138.3)
#1B440B 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) | #463D02 | 0.062 |
| Deuteranopia (no green cones) | #413A11 | 0.063 |
| Tritanopia (no blue cones) | #174139 | 0.067 |
| Achromatopsia (no color) | #3B3B3B | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B440B
#1B440B
oklch(34.4% 0.096 138.6)
- #4D2658
#4D2658
oklch(34.4% 0.095 318.4)
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 #1B440B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forrest Green #154406 ΔE 0.007
- British Racing Green #05480D ΔE 0.017
- Pine Green #0A481E ΔE 0.020
- Hunter Green #0B4008 ΔE 0.020
- Racing Green #014600 ΔE 0.021
- Darkgreen #054907 ΔE 0.021
- Bottle Green #044A05 ΔE 0.025
- Evergreen #05472A ΔE 0.034
Use #1B440B 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.