#045F45
Closest named color: Spruce (#0A5F38). oklch(43.1% 0.088 166.2), rgb(4, 95, 69).
Aa
White text reads best on this color (7.69:1).
About this color
#045F45 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.088 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.020 away. White text reads best on it, at 7.69:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #045F45 |
| RGB | rgb(4, 95, 69) |
| HSL | hsl(163, 92%, 19%) |
| OKLCH | oklch(43.1% 0.088 166.2) |
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 #045F45 | 7.69:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #045F45 | 2.72:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #045F45 text on white | 7.69:1 | AAA | Lc 86.3 | Fine for body text |
| #045F45 text on black | 2.72:1 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C8DFD5
oklch(88.4% 0.028 167.7)
-
Step 300
300
#A2CCB9
oklch(81% 0.052 165.8)
-
Step 400
400
#6CB195
oklch(70.6% 0.082 166.3)
-
Step 500
500
#3D9D7B
oklch(63% 0.104 166.5)
-
Step 600
600
#058864
oklch(55.6% 0.114 166.2)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800 (this color)
#045F45
oklch(43.1% 0.088 166.2)
-
Step 900
900
#124D39
oklch(37.7% 0.069 166)
-
Step 950
950
#0E2D22
oklch(27% 0.042 167)
#045F45 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) | #5D5744 | 0.088 |
| Deuteranopia (no green cones) | #525047 | 0.084 |
| Tritanopia (no blue cones) | #005F58 | 0.031 |
| Achromatopsia (no color) | #535353 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045F45
#045F45
oklch(43.1% 0.088 166.2)
- #723B5A
#723B5A
oklch(43.2% 0.087 346.5)
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 #045F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.020
- Pine #2B5D34 ΔE 0.028
- Dark Green Blue #1F6357 ΔE 0.034
- Dark Blue Green #005249 ΔE 0.047
- Deep Teal #00555A ΔE 0.056
- Dark Aqua #05696B ΔE 0.062
- Petrol #005F6A ΔE 0.062
- Deep Green #02590F ΔE 0.064
Use #045F45 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.