#2B4100
Closest named color: Dark Olive (#373E02). oklch(34.4% 0.09 128), rgb(43, 65, 0).
Aa
White text reads best on this color (11.29:1).
About this color
#2B4100 is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.090 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.020 away. White text reads best on it, at 11.29:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.85:1 |
| White text | 11.29:1 |
Values
| HEX | #2B4100 |
| RGB | rgb(43, 65, 0) |
| HSL | hsl(80, 100%, 13%) |
| OKLCH | oklch(34.4% 0.09 128) |
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 #2B4100 | 11.29:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #2B4100 | 1.85:1 | Fails | Lc 8.0 | Not readable |
| #2B4100 text on white | 11.29:1 | AAA | Lc 95.9 | Preferred for body text |
| #2B4100 text on black | 1.85:1 | 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
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E6EDDF
oklch(93.7% 0.02 128.7)
-
Step 200
200
#D2DEC4
oklch(88.4% 0.037 127.4)
-
Step 300
300
#B4C99B
oklch(80.8% 0.067 127.8)
-
Step 400
400
#8DAD62
oklch(70.6% 0.108 127.8)
-
Step 500
500
#719932
oklch(63.2% 0.138 128.1)
-
Step 600
600
#5A8200
oklch(55.6% 0.145 128)
-
Step 700
700
#4B6D00
oklch(49% 0.128 127.9)
-
Step 800
800
#3D5A00
oklch(42.8% 0.112 128.1)
-
Step 900
900 (this color)
#2B4100
oklch(34.4% 0.09 128)
-
Step 950
950
#1E2B0A
oklch(26.8% 0.056 128)
#2B4100 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) | #453B00 | 0.045 |
| Deuteranopia (no green cones) | #423A07 | 0.044 |
| Tritanopia (no blue cones) | #2D3D36 | 0.073 |
| Achromatopsia (no color) | #3A3A3A | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B4100
#2B4100
oklch(34.4% 0.09 128)
- #462A5C
#462A5C
oklch(34.4% 0.089 308.3)
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 #2B4100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.020
- Forrest Green #154406 ΔE 0.023
- Hunter Green #0B4008 ΔE 0.031
- British Racing Green #05480D ΔE 0.034
- Pine Green #0A481E ΔE 0.035
- Racing Green #014600 ΔE 0.036
- Darkgreen #054907 ΔE 0.037
- Bottle Green #044A05 ΔE 0.039
Use #2B4100 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.