#006E51
Closest named color: Dark Green Blue (#1F6357). oklch(47.8% 0.098 166.9), rgb(0, 110, 81).
Aa
White text reads best on this color (6.27:1).
About this color
#006E51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.098 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.041 away. White text reads best on it, at 6.27:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #006E51 |
| RGB | rgb(0, 110, 81) |
| HSL | hsl(164, 100%, 22%) |
| OKLCH | oklch(47.8% 0.098 166.9) |
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 #006E51 | 6.27:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #006E51 | 3.34:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #006E51 text on white | 6.27:1 | AA | Lc 80.7 | Fine for body text |
| #006E51 text on black | 3.34:1 | AA large text | Lc -21.2 | 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 700.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD5
oklch(88.5% 0.026 165.6)
-
Step 300
300
#A4CBBA
oklch(80.9% 0.048 166.8)
-
Step 400
400
#71B097
oklch(70.7% 0.075 167.3)
-
Step 500
500
#469C7D
oklch(63.1% 0.096 167)
-
Step 600
600
#1D8766
oklch(55.7% 0.106 166.7)
-
Step 700
700 (this color)
#006E51
oklch(47.8% 0.098 166.9)
-
Step 800
800
#115D45
oklch(42.7% 0.082 166.4)
-
Step 900
900
#184C3A
oklch(37.6% 0.063 166.7)
-
Step 950
950
#102D22
oklch(27.1% 0.041 166.1)
#006E51 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) | #6B654F | 0.098 |
| Deuteranopia (no green cones) | #5F5D53 | 0.094 |
| Tritanopia (no blue cones) | #006E66 | 0.034 |
| Achromatopsia (no color) | #606060 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006E51
#006E51
oklch(47.8% 0.098 166.9)
- #844468
#844468
oklch(47.8% 0.099 346.6)
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 #006E51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.049
- Dark Aqua #05696B ΔE 0.050
- Spruce #0A5F38 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.054
- Pine #2B5D34 ΔE 0.056
- Bluegreen #017A79 ΔE 0.064
- Dark Olive Green #556B2F ΔE 0.068
Use #006E51 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.