#055D39
Closest named color: Spruce (#0A5F38). oklch(42.2% 0.096 158.3), rgb(5, 93, 57).
Aa
White text reads best on this color (7.98:1).
About this color
#055D39 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.096 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.008 away. White text reads best on it, at 7.98:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.63:1 |
| White text | 7.98:1 |
Values
| HEX | #055D39 |
| RGB | rgb(5, 93, 57) |
| HSL | hsl(155, 90%, 19%) |
| OKLCH | oklch(42.2% 0.096 158.3) |
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 #055D39 | 7.98:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #055D39 | 2.63:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #055D39 text on white | 7.98:1 | AAA | Lc 87.2 | Fine for body text |
| #055D39 text on black | 2.63:1 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C9E0D1
oklch(88.5% 0.032 157.1)
-
Step 300
300
#A3CCB3
oklch(80.9% 0.056 158.1)
-
Step 400
400
#6EB28B
oklch(70.7% 0.09 157.9)
-
Step 500
500
#419E6F
oklch(63.1% 0.114 158.4)
-
Step 600
600
#118957
oklch(55.7% 0.125 158.4)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800 (this color)
#055D39
oklch(42.2% 0.096 158.3)
-
Step 900
900
#154D32
oklch(37.6% 0.074 158.3)
-
Step 950
950
#0F2D1D
oklch(26.9% 0.047 157.6)
#055D39 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) | #5C5537 | 0.089 |
| Deuteranopia (no green cones) | #534E3B | 0.087 |
| Tritanopia (no blue cones) | #005C54 | 0.044 |
| Achromatopsia (no color) | #515151 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #055D39
#055D39
oklch(42.2% 0.096 158.3)
- #6F3760
#6F3760
oklch(42.4% 0.096 338.3)
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 #055D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.008
- Pine #2B5D34 ΔE 0.022
- Deep Green #02590F ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Blue Green #005249 ΔE 0.052
- Navy Green #35530A ΔE 0.052
- Forest #0B5509 ΔE 0.052
- Dark Green #006400 ΔE 0.063
Use #055D39 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.