#055A45
Closest named color: Spruce (#0A5F38). oklch(41.7% 0.081 169.6), rgb(5, 90, 69).
Aa
White text reads best on this color (8.21:1).
About this color
#055A45 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.081 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.030 away. White text reads best on it, at 8.21:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #055A45 |
| RGB | rgb(5, 90, 69) |
| HSL | hsl(165, 89%, 19%) |
| OKLCH | oklch(41.7% 0.081 169.6) |
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 #055A45 | 8.21:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #055A45 | 2.55:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #055A45 text on white | 8.21:1 | AAA | Lc 88.0 | Fine for body text |
| #055A45 text on black | 2.55:1 | Fails | Lc -14.2 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A3CBBC
oklch(80.9% 0.047 170.3)
-
Step 400
400
#6FB099
oklch(70.7% 0.075 169.7)
-
Step 500
500
#429C80
oklch(63% 0.097 169.8)
-
Step 600
600
#168769
oklch(55.7% 0.106 169.2)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800 (this color)
#055A45
oklch(41.7% 0.081 169.6)
-
Step 900
900
#164C3C
oklch(37.6% 0.063 169.7)
-
Step 950
950
#0F2D23
oklch(27.1% 0.041 168.7)
#055A45 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) | #575344 | 0.082 |
| Deuteranopia (no green cones) | #4D4C46 | 0.078 |
| Tritanopia (no blue cones) | #005B54 | 0.024 |
| Achromatopsia (no color) | #4F4F4F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #055A45
#055A45
oklch(41.7% 0.081 169.6)
- #6C3853
#6C3853
oklch(41.6% 0.082 348.8)
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 #055A45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.030
- Dark Blue Green #005249 ΔE 0.030
- Pine #2B5D34 ΔE 0.035
- Dark Green Blue #1F6357 ΔE 0.041
- Deep Teal #00555A ΔE 0.044
- Dark Teal #014D4E ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.052
- Petrol #005F6A ΔE 0.059
Use #055A45 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.