#255E43
Closest named color: Pine (#2B5D34). oklch(43.6% 0.075 160.2), rgb(37, 94, 67).
Aa
White text reads best on this color (7.60:1).
About this color
#255E43 is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.075 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.021 away. White text reads best on it, at 7.60:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #255E43 |
| RGB | rgb(37, 94, 67) |
| HSL | hsl(152, 44%, 26%) |
| OKLCH | oklch(43.6% 0.075 160.2) |
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 #255E43 | 7.60:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #255E43 | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #255E43 text on white | 7.60:1 | AAA | Lc 86.2 | Fine for body text |
| #255E43 text on black | 2.76:1 | Fails | Lc -15.8 | Dividers and decoration only |
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
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#A9CAB7
oklch(80.9% 0.044 160)
-
Step 400
400
#79AF92
oklch(70.8% 0.071 160.4)
-
Step 500
500
#549A77
oklch(63% 0.089 160.5)
-
Step 600
600
#35855F
oklch(55.6% 0.099 159.9)
-
Step 700
700
#27704F
oklch(49% 0.09 160.5)
-
Step 800
800 (this color)
#255E43
oklch(43.6% 0.075 160.2)
-
Step 900
900
#224B37
oklch(37.7% 0.058 160.5)
-
Step 950
950
#152C20
oklch(27% 0.037 159.8)
#255E43 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) | #5D5741 | 0.072 |
| Deuteranopia (no green cones) | #555145 | 0.071 |
| Tritanopia (no blue cones) | #0F5E57 | 0.033 |
| Achromatopsia (no color) | #545454 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255E43
#255E43
oklch(43.6% 0.075 160.2)
- #6D405E
#6D405E
oklch(43.6% 0.076 340.5)
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 #255E43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.021
- Spruce #0A5F38 ΔE 0.025
- Dark Green Blue #1F6357 ΔE 0.030
- Dark Blue Green #005249 ΔE 0.051
- Deep Teal #00555A ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.060
- Army Green #4B5D16 ΔE 0.060
- Dark Aqua #05696B ΔE 0.062
Use #255E43 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.