#285138
Closest named color: Dark Blue Green (#005249). oklch(39.7% 0.063 155.4), rgb(40, 81, 56).
Aa
White text reads best on this color (9.03:1).
About this color
#285138 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.063 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.032 away. White text reads best on it, at 9.03:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #285138 |
| RGB | rgb(40, 81, 56) |
| HSL | hsl(143, 34%, 24%) |
| OKLCH | oklch(39.7% 0.063 155.4) |
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 #285138 | 9.03:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #285138 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #285138 text on white | 9.03:1 | AAA | Lc 90.6 | Preferred for body text |
| #285138 text on black | 2.32:1 | Fails | Lc -11.7 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD2
oklch(88.6% 0.027 155.9)
-
Step 300
300
#A9CAB4
oklch(80.9% 0.047 156)
-
Step 400
400
#7AAF8C
oklch(70.7% 0.076 155.1)
-
Step 500
500
#559B70
oklch(63.1% 0.097 155.4)
-
Step 600
600
#368558
oklch(55.5% 0.105 155.6)
-
Step 700
700
#287148
oklch(49.2% 0.098 155.4)
-
Step 800
800
#235C3B
oklch(42.7% 0.081 155.2)
-
Step 900
900 (this color)
#285138
oklch(39.7% 0.063 155.4)
-
Step 950
950
#152C1E
oklch(26.9% 0.039 155.9)
#285138 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) | #514B37 | 0.058 |
| Deuteranopia (no green cones) | #4B4739 | 0.056 |
| Tritanopia (no blue cones) | #1E504A | 0.031 |
| Achromatopsia (no color) | #494949 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285138
#285138
oklch(39.7% 0.063 155.4)
- #5C3954
#5C3954
oklch(39.6% 0.064 335.5)
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 #285138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.043
- Pine #2B5D34 ΔE 0.043
- Dark Teal #014D4E ΔE 0.047
- Spruce #0A5F38 ΔE 0.048
- Evergreen #05472A ΔE 0.049
- Navy Green #35530A ΔE 0.053
- Pine Green #0A481E ΔE 0.053
Use #285138 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.