#045831
Closest named color: Spruce (#0A5F38). oklch(40.5% 0.098 155.4), rgb(4, 88, 49).
Aa
White text reads best on this color (8.58:1).
About this color
#045831 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.098 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.024 away. White text reads best on it, at 8.58:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #045831 |
| RGB | rgb(4, 88, 49) |
| HSL | hsl(152, 91%, 18%) |
| OKLCH | oklch(40.5% 0.098 155.4) |
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 #045831 | 8.58:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #045831 | 2.44:1 | Fails | Lc 15.0 | Not readable |
| #045831 text on white | 8.58:1 | AAA | Lc 89.0 | Fine for body text |
| #045831 text on black | 2.44:1 | Fails | Lc -13.2 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#C9E0D0
oklch(88.5% 0.033 155.3)
-
Step 300
300
#A4CCB1
oklch(80.9% 0.057 155.4)
-
Step 400
400
#70B288
oklch(70.8% 0.092 155.4)
-
Step 500
500
#459E6A
oklch(63.1% 0.117 155.3)
-
Step 600
600
#1C8852
oklch(55.5% 0.126 155.6)
-
Step 700
700
#087442
oklch(49.2% 0.119 155.2)
-
Step 800
800 (this color)
#045831
oklch(40.5% 0.098 155.4)
-
Step 900
900
#184D2F
oklch(37.6% 0.076 155.1)
-
Step 950
950
#102D1C
oklch(26.9% 0.048 155.6)
#045831 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) | #58502E | 0.087 |
| Deuteranopia (no green cones) | #4F4934 | 0.087 |
| Tritanopia (no blue cones) | #00574E | 0.047 |
| Achromatopsia (no color) | #4C4C4C | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045831
#045831
oklch(40.5% 0.098 155.4)
- #68325D
#68325D
oklch(40.4% 0.097 335.5)
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 #045831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.024
- Pine #2B5D34 ΔE 0.031
- Deep Green #02590F ΔE 0.039
- Forest #0B5509 ΔE 0.040
- Navy Green #35530A ΔE 0.044
- Dark Blue Green #005249 ΔE 0.049
- Pine Green #0A481E ΔE 0.053
- Evergreen #05472A ΔE 0.057
Use #045831 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.