#28401B
Closest named color: Dark Olive (#373E02). oklch(34.2% 0.067 135.7), rgb(40, 64, 27).
Aa
White text reads best on this color (11.41:1).
About this color
#28401B is a dark, muted green. In OKLCH its lightness is 34%, its chroma 0.067 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 11.41:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.83:1 |
| White text | 11.41:1 |
Values
| HEX | #28401B |
| RGB | rgb(40, 64, 27) |
| HSL | hsl(99, 41%, 18%) |
| OKLCH | oklch(34.2% 0.067 135.7) |
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 #28401B | 11.41:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #28401B | 1.83:1 | Fails | Lc 7.7 | Not readable |
| #28401B text on white | 11.41:1 | AAA | Lc 96.2 | Preferred for body text |
| #28401B text on black | 1.83:1 | 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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D1DECB
oklch(88.6% 0.029 135.6)
-
Step 300
300
#B3C8A8
oklch(80.8% 0.05 134.8)
-
Step 400
400
#8AAC7A
oklch(70.6% 0.08 135.9)
-
Step 500
500
#6D9857
oklch(63.2% 0.104 135.7)
-
Step 600
600
#54823C
oklch(55.6% 0.112 136)
-
Step 700
700
#456E2E
oklch(49.2% 0.104 135.7)
-
Step 800
800
#395927
oklch(42.6% 0.085 135.5)
-
Step 900
900 (this color)
#28401B
oklch(34.2% 0.067 135.7)
-
Step 950
950
#1D2B16
oklch(27% 0.042 135.8)
#28401B 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) | #423B18 | 0.042 |
| Deuteranopia (no green cones) | #3F391D | 0.042 |
| Tritanopia (no blue cones) | #273E38 | 0.048 |
| Achromatopsia (no color) | #3A3A3A | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28401B
#28401B
oklch(34.2% 0.067 135.7)
- #462D50
#462D50
oklch(34.3% 0.067 315.9)
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 #28401B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.026
- Evergreen #05472A ΔE 0.032
- Pine Green #0A481E ΔE 0.033
- Pakistan Green #283618 ΔE 0.034
- Forrest Green #154406 ΔE 0.036
- Hunter Green #0B4008 ΔE 0.038
- British Racing Green #05480D ΔE 0.044
- Darkgreen #054907 ΔE 0.049
Use #28401B 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.