#2B400B
Closest named color: Dark Olive (#373E02). oklch(34.2% 0.081 129), rgb(43, 64, 11).
Aa
White text reads best on this color (11.40:1).
About this color
#2B400B is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.081 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.018 away. White text reads best on it, at 11.40:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.84:1 |
| White text | 11.40:1 |
Values
| HEX | #2B400B |
| RGB | rgb(43, 64, 11) |
| HSL | hsl(84, 71%, 15%) |
| OKLCH | oklch(34.2% 0.081 129) |
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 #2B400B | 11.40:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #2B400B | 1.84:1 | Fails | Lc 7.7 | Not readable |
| #2B400B text on white | 11.40:1 | AAA | Lc 96.2 | Preferred for body text |
| #2B400B text on black | 1.84:1 | 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE0
oklch(93.5% 0.017 128.7)
-
Step 200
200
#D2DEC7
oklch(88.5% 0.034 129.7)
-
Step 300
300
#B4C9A0
oklch(80.9% 0.06 129.8)
-
Step 400
400
#8EAD6B
oklch(70.8% 0.097 129.1)
-
Step 500
500
#729841
oklch(63.2% 0.124 129.1)
-
Step 600
600
#5A821C
oklch(55.7% 0.135 129.2)
-
Step 700
700
#4A6D0C
oklch(49% 0.124 128.9)
-
Step 800
800
#3D5910
oklch(42.6% 0.103 128.9)
-
Step 900
900 (this color)
#2B400B
oklch(34.2% 0.081 129)
-
Step 950
950
#1F2B0E
oklch(27% 0.051 128.1)
#2B400B 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) | #433B03 | 0.039 |
| Deuteranopia (no green cones) | #413910 | 0.043 |
| Tritanopia (no blue cones) | #2D3D36 | 0.063 |
| Achromatopsia (no color) | #3A3A3A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B400B
#2B400B
oklch(34.2% 0.081 129)
- #452B58
#452B58
oklch(34.2% 0.082 309.4)
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 #2B400B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.018
- Forrest Green #154406 ΔE 0.028
- Hunter Green #0B4008 ΔE 0.033
- Pine Green #0A481E ΔE 0.034
- British Racing Green #05480D ΔE 0.038
- Pakistan Green #283618 ΔE 0.041
- Evergreen #05472A ΔE 0.041
- Racing Green #014600 ΔE 0.042
Use #2B400B 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.