#04581C
Closest named color: Deep Green (#02590F). oklch(40.2% 0.118 146.7), rgb(4, 88, 28).
Aa
White text reads best on this color (8.68:1).
About this color
#04581C is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.118 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.012 away. White text reads best on it, at 8.68:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #04581C |
| RGB | rgb(4, 88, 28) |
| HSL | hsl(137, 91%, 18%) |
| OKLCH | oklch(40.2% 0.118 146.7) |
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 #04581C | 8.68:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #04581C | 2.41:1 | Fails | Lc 14.7 | Not readable |
| #04581C text on white | 8.68:1 | AAA | Lc 89.2 | Fine for body text |
| #04581C text on black | 2.41:1 | Fails | Lc -13.0 | 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 900.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C5E2C7
oklch(88.4% 0.048 147.1)
-
Step 300
300
#9BD19F
oklch(81% 0.089 146.6)
-
Step 400
400
#5EB86A
oklch(70.7% 0.142 146.7)
-
Step 500
500
#1AA53F
oklch(63.2% 0.181 146.7)
-
Step 600
600
#008C2F
oklch(55.7% 0.167 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900 (this color)
#04581C
oklch(40.2% 0.118 146.7)
-
Step 950
950
#05300E
oklch(27.2% 0.075 146.6)
#04581C 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) | #594F15 | 0.090 |
| Deuteranopia (no green cones) | #514921 | 0.090 |
| Tritanopia (no blue cones) | #00564B | 0.070 |
| Achromatopsia (no color) | #4B4B4B | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04581C
#04581C
oklch(40.2% 0.118 146.7)
- #682D69
#682D69
oklch(40.3% 0.118 326.8)
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 #04581C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.012
- Forest #0B5509 ΔE 0.015
- Navy Green #35530A ΔE 0.035
- Spruce #0A5F38 ΔE 0.038
- Pine #2B5D34 ΔE 0.044
- Dark Green #006400 ΔE 0.047
- Bottle Green #044A05 ΔE 0.047
- Darkgreen #054907 ΔE 0.050
Use #04581C 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.