#28591D
Closest named color: Navy Green (#35530A). oklch(41.5% 0.105 140.1), rgb(40, 89, 29).
Aa
White text reads best on this color (8.27:1).
About this color
#28591D is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.105 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.021 away. White text reads best on it, at 8.27:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #28591D |
| RGB | rgb(40, 89, 29) |
| HSL | hsl(109, 51%, 23%) |
| OKLCH | oklch(41.5% 0.105 140.1) |
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 #28591D | 8.27:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #28591D | 2.53:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #28591D text on white | 8.27:1 | AAA | Lc 88.4 | Fine for body text |
| #28591D text on black | 2.53:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CEDFCA
oklch(88.5% 0.034 139.7)
-
Step 300
300
#ACCBA5
oklch(80.9% 0.062 139.9)
-
Step 400
400
#7FB075
oklch(70.7% 0.099 140.3)
-
Step 500
500
#5D9C50
oklch(63.2% 0.126 140.2)
-
Step 600
600
#428633
oklch(55.6% 0.137 140.2)
-
Step 700
700
#337125
oklch(49% 0.127 140.2)
-
Step 800
800 (this color)
#28591D
oklch(41.5% 0.105 140.1)
-
Step 900
900
#284C20
oklch(37.8% 0.082 140)
-
Step 950
950
#182D13
oklch(27.2% 0.053 139.7)
#28591D 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) | #5C5116 | 0.072 |
| Deuteranopia (no green cones) | #554D22 | 0.071 |
| Tritanopia (no blue cones) | #23564C | 0.070 |
| Achromatopsia (no color) | #4E4E4E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28591D
#28591D
oklch(41.5% 0.105 140.1)
- #64366F
#64366F
oklch(41.5% 0.105 319.6)
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 #28591D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.021
- Deep Green #02590F ΔE 0.028
- Pine #2B5D34 ΔE 0.028
- Forest #0B5509 ΔE 0.031
- Spruce #0A5F38 ΔE 0.032
- Army Green #4B5D16 ΔE 0.046
- Dark Green #006400 ΔE 0.048
- Camouflage Green #4B6113 ΔE 0.052
Use #28591D 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.