#28400B
Closest named color: Dark Olive (#373E02). oklch(34% 0.082 131.1), rgb(40, 64, 11).
Aa
White text reads best on this color (11.48:1).
About this color
#28400B is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.082 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 11.48:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.82:1 |
| White text | 11.48:1 |
Values
| HEX | #28400B |
| RGB | rgb(40, 64, 11) |
| HSL | hsl(87, 71%, 15%) |
| OKLCH | oklch(34% 0.082 131.1) |
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 #28400B | 11.48:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #28400B | 1.82:1 | Fails | Lc 7.6 | Not readable |
| #28400B text on white | 11.48:1 | AAA | Lc 96.3 | Preferred for body text |
| #28400B text on black | 1.82:1 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E6EDE0
oklch(93.7% 0.019 130.2)
-
Step 200
200
#D1DEC7
oklch(88.4% 0.034 131.4)
-
Step 300
300
#B3C9A0
oklch(80.8% 0.061 130.7)
-
Step 400
400
#8BAD6B
oklch(70.6% 0.098 130.7)
-
Step 500
500
#6E9942
oklch(63.2% 0.126 131.1)
-
Step 600
600
#55831D
oklch(55.6% 0.138 131.3)
-
Step 700
700
#466E0E
oklch(49% 0.127 130.9)
-
Step 800
800
#395A11
oklch(42.7% 0.106 131.3)
-
Step 900
900 (this color)
#28400B
oklch(34% 0.082 131.1)
-
Step 950
950
#1D2C0F
oklch(27.1% 0.053 131.7)
#28400B 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 | 0.043 |
| Deuteranopia (no green cones) | #403910 | 0.045 |
| Tritanopia (no blue cones) | #293D36 | 0.063 |
| Achromatopsia (no color) | #393939 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28400B
#28400B
oklch(34% 0.082 131.1)
- #452A57
#452A57
oklch(34% 0.082 310.4)
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 #28400B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.021
- Forrest Green #154406 ΔE 0.024
- Hunter Green #0B4008 ΔE 0.029
- Pine Green #0A481E ΔE 0.032
- British Racing Green #05480D ΔE 0.036
- Racing Green #014600 ΔE 0.039
- Evergreen #05472A ΔE 0.039
- Darkgreen #054907 ΔE 0.039
Use #28400B 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.