#006540
Closest named color: Spruce (#0A5F38). oklch(44.7% 0.102 159.7), rgb(0, 101, 64).
Aa
White text reads best on this color (7.15:1).
About this color
#006540 is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.102 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.019 away. White text reads best on it, at 7.15:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #006540 |
| RGB | rgb(0, 101, 64) |
| HSL | hsl(158, 100%, 20%) |
| OKLCH | oklch(44.7% 0.102 159.7) |
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 #006540 | 7.15:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #006540 | 2.93:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #006540 text on white | 7.15:1 | AAA | Lc 84.3 | Fine for body text |
| #006540 text on black | 2.93:1 | Fails | Lc -17.7 | 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
#E1EEE6
oklch(93.7% 0.017 159.1)
-
Step 200
200
#C7E0D2
oklch(88.4% 0.033 161.2)
-
Step 300
300
#A0CDB3
oklch(80.9% 0.06 159.4)
-
Step 400
400
#68B38C
oklch(70.7% 0.095 159.9)
-
Step 500
500
#369F6F
oklch(63% 0.121 159.8)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800 (this color)
#006540
oklch(44.7% 0.102 159.7)
-
Step 900
900
#0D4E32
oklch(37.7% 0.079 159.4)
-
Step 950
950
#0B2E1E
oklch(27.1% 0.05 160.2)
#006540 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) | #645C3E | 0.096 |
| Deuteranopia (no green cones) | #595542 | 0.092 |
| Tritanopia (no blue cones) | #00645B | 0.044 |
| Achromatopsia (no color) | #585858 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006540
#006540
oklch(44.7% 0.102 159.7)
- #783C66
#783C66
oklch(44.7% 0.1 339.8)
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 #006540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.019
- Pine #2B5D34 ΔE 0.029
- Dark Green Blue #1F6357 ΔE 0.043
- Deep Green #02590F ΔE 0.060
- Dark Green #006400 ΔE 0.061
- Army Green #4B5D16 ΔE 0.063
- Camouflage Green #4B6113 ΔE 0.063
- Dark Aqua #05696B ΔE 0.067
Use #006540 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.