#045F3A
Closest named color: Spruce (#0A5F38). oklch(42.8% 0.098 158.2), rgb(4, 95, 58).
Aa
White text reads best on this color (7.76:1).
About this color
#045F3A is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.098 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.003 away. White text reads best on it, at 7.76:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #045F3A |
| RGB | rgb(4, 95, 58) |
| HSL | hsl(156, 92%, 19%) |
| OKLCH | oklch(42.8% 0.098 158.2) |
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 #045F3A | 7.76:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #045F3A | 2.70:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #045F3A text on white | 7.76:1 | AAA | Lc 86.5 | Fine for body text |
| #045F3A text on black | 2.70:1 | Fails | Lc -15.6 | 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
#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
#A2CCB3
oklch(80.8% 0.057 158.7)
-
Step 400
400
#6DB28B
oklch(70.7% 0.091 158.2)
-
Step 500
500
#3E9F6E
oklch(63.2% 0.118 158.1)
-
Step 600
600
#088956
oklch(55.6% 0.127 158.3)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800 (this color)
#045F3A
oklch(42.8% 0.098 158.2)
-
Step 900
900
#134E32
oklch(37.8% 0.077 158.3)
-
Step 950
950
#0E2E1D
oklch(27.2% 0.05 157.3)
#045F3A 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) | #5E5738 | 0.090 |
| Deuteranopia (no green cones) | #54503C | 0.087 |
| Tritanopia (no blue cones) | #005E56 | 0.046 |
| Achromatopsia (no color) | #525252 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045F3A
#045F3A
oklch(42.8% 0.098 158.2)
- #713862
#713862
oklch(42.9% 0.098 338.1)
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 #045F3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.003
- Pine #2B5D34 ΔE 0.021
- Deep Green #02590F ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.048
- Navy Green #35530A ΔE 0.054
- Forest #0B5509 ΔE 0.055
- Dark Blue Green #005249 ΔE 0.057
- Dark Green #006400 ΔE 0.060
Use #045F3A 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.