#255B43
Closest named color: Pine (#2B5D34). oklch(42.7% 0.071 162), rgb(37, 91, 67).
Aa
White text reads best on this color (7.90:1).
About this color
#255B43 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.071 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.025 away. White text reads best on it, at 7.90:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #255B43 |
| RGB | rgb(37, 91, 67) |
| HSL | hsl(153, 42%, 25%) |
| OKLCH | oklch(42.7% 0.071 162) |
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 #255B43 | 7.90:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #255B43 | 2.65:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #255B43 text on white | 7.90:1 | AAA | Lc 87.2 | Fine for body text |
| #255B43 text on black | 2.65:1 | Fails | Lc -14.9 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#AAC9B8
oklch(80.8% 0.041 161.4)
-
Step 400
400
#7BAE94
oklch(70.7% 0.066 161.9)
-
Step 500
500
#579A7A
oklch(63.2% 0.085 161.9)
-
Step 600
600
#398463
oklch(55.6% 0.091 162.2)
-
Step 700
700
#2B7052
oklch(49.2% 0.085 162)
-
Step 800
800 (this color)
#255B43
oklch(42.7% 0.071 162)
-
Step 900
900
#244B39
oklch(37.8% 0.055 162.2)
-
Step 950
950
#162C21
oklch(27.1% 0.035 161)
#255B43 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) | #5A5542 | 0.068 |
| Deuteranopia (no green cones) | #524F45 | 0.066 |
| Tritanopia (no blue cones) | #105B54 | 0.028 |
| Achromatopsia (no color) | #515151 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255B43
#255B43
oklch(42.7% 0.071 162)
- #693F5A
#693F5A
oklch(42.7% 0.07 341.5)
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 #255B43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.025
- Spruce #0A5F38 ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.034
- Dark Blue Green #005249 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.051
- Deep Teal #00555A ΔE 0.051
- Petrol #005F6A ΔE 0.061
- Navy Green #35530A ΔE 0.061
Use #255B43 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.