#006537
Closest named color: Spruce (#0A5F38). oklch(44.5% 0.111 154.8), rgb(0, 101, 55).
Aa
White text reads best on this color (7.20:1).
About this color
#006537 is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.111 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.020 away. White text reads best on it, at 7.20:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.91:1 |
| White text | 7.20:1 |
Values
| HEX | #006537 |
| RGB | rgb(0, 101, 55) |
| HSL | hsl(153, 100%, 20%) |
| OKLCH | oklch(44.5% 0.111 154.8) |
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 #006537 | 7.20:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #006537 | 2.91:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #006537 text on white | 7.20:1 | AAA | Lc 84.4 | Fine for body text |
| #006537 text on black | 2.91:1 | Fails | Lc -17.6 | 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
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E1CF
oklch(88.6% 0.036 154.3)
-
Step 300
300
#A0CDAE
oklch(80.8% 0.064 154.7)
-
Step 400
400
#69B484
oklch(70.8% 0.103 154.7)
-
Step 500
500
#37A065
oklch(63% 0.131 154.9)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800 (this color)
#006537
oklch(44.5% 0.111 154.8)
-
Step 900
900
#0D4E2C
oklch(37.5% 0.086 154.8)
-
Step 950
950
#0B2E1A
oklch(27% 0.055 154.8)
#006537 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) | #655C34 | 0.098 |
| Deuteranopia (no green cones) | #5A543A | 0.096 |
| Tritanopia (no blue cones) | #00645A | 0.056 |
| Achromatopsia (no color) | #575757 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006537
#006537
oklch(44.5% 0.111 154.8)
- #78396C
#78396C
oklch(44.5% 0.111 335)
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 #006537, 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 0.030
- Dark Green #006400 ΔE 0.048
- Deep Green #02590F ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.055
- Camouflage Green #4B6113 ΔE 0.058
- Army Green #4B5D16 ΔE 0.059
- Forest #0B5509 ΔE 0.061
Use #006537 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.