#105C42
Closest named color: Spruce (#0A5F38). oklch(42.3% 0.083 164.5), rgb(16, 92, 66).
Aa
White text reads best on this color (7.98:1).
About this color
#105C42 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.083 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.021 away. White text reads best on it, at 7.98:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.63:1 |
| White text | 7.98:1 |
Values
| HEX | #105C42 |
| RGB | rgb(16, 92, 66) |
| HSL | hsl(159, 70%, 21%) |
| OKLCH | oklch(42.3% 0.083 164.5) |
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 #105C42 | 7.98:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #105C42 | 2.63:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #105C42 text on white | 7.98:1 | AAA | Lc 87.3 | Fine for body text |
| #105C42 text on black | 2.63:1 | Fails | Lc -14.8 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CADFD4
oklch(88.5% 0.027 163.1)
-
Step 300
300
#A4CBB9
oklch(80.9% 0.049 165.4)
-
Step 400
400
#71B094
oklch(70.6% 0.077 164.6)
-
Step 500
500
#469C7A
oklch(63% 0.099 164.9)
-
Step 600
600
#1F8763
oklch(55.7% 0.108 164.6)
-
Step 700
700
#0C7252
oklch(49.1% 0.1 164.8)
-
Step 800
800 (this color)
#105C42
oklch(42.3% 0.083 164.5)
-
Step 900
900
#194C39
oklch(37.6% 0.064 165.3)
-
Step 950
950
#102D21
oklch(27.1% 0.042 164)
#105C42 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) | #5A5541 | 0.082 |
| Deuteranopia (no green cones) | #514E44 | 0.079 |
| Tritanopia (no blue cones) | #005C55 | 0.031 |
| Achromatopsia (no color) | #515151 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #105C42
#105C42
oklch(42.3% 0.083 164.5)
- #6D3A59
#6D3A59
oklch(42.3% 0.083 344)
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 #105C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.021
- Pine #2B5D34 ΔE 0.026
- Dark Green Blue #1F6357 ΔE 0.038
- Dark Blue Green #005249 ΔE 0.040
- Deep Teal #00555A ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.058
- Navy Green #35530A ΔE 0.061
- Dark Teal #014D4E ΔE 0.061
Use #105C42 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.