#17552B
Closest named color: Spruce (#0A5F38). oklch(39.9% 0.094 150.3), rgb(23, 85, 43).
Aa
White text reads best on this color (8.85:1).
About this color
#17552B is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.094 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.032 away. White text reads best on it, at 8.85:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #17552B |
| RGB | rgb(23, 85, 43) |
| HSL | hsl(139, 57%, 21%) |
| OKLCH | oklch(39.9% 0.094 150.3) |
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 #17552B | 8.85:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #17552B | 2.37:1 | Fails | Lc 14.0 | Not readable |
| #17552B text on white | 8.85:1 | AAA | Lc 90.0 | Fine for body text |
| #17552B text on black | 2.37:1 | Fails | Lc -12.3 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E1CC
oklch(88.5% 0.039 150)
-
Step 300
300
#A1CEA9
oklch(80.9% 0.07 149.9)
-
Step 400
400
#6AB47B
oklch(70.6% 0.112 150.1)
-
Step 500
500
#38A159
oklch(63.1% 0.144 150.4)
-
Step 600
600
#008B3F
oklch(55.7% 0.153 150.2)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900 (this color)
#17552B
oklch(39.9% 0.094 150.3)
-
Step 950
950
#0C2E16
oklch(26.9% 0.059 150.2)
#17552B 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) | #564D28 | 0.079 |
| Deuteranopia (no green cones) | #4E482E | 0.077 |
| Tritanopia (no blue cones) | #00534B | 0.052 |
| Achromatopsia (no color) | #4A4A4A | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17552B
#17552B
oklch(39.9% 0.094 150.3)
- #63335F
#63335F
oklch(40% 0.093 330.3)
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 #17552B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.032
- Pine #2B5D34 ΔE 0.034
- Navy Green #35530A ΔE 0.035
- Forest #0B5509 ΔE 0.036
- Deep Green #02590F ΔE 0.038
- Pine Green #0A481E ΔE 0.046
- Evergreen #05472A ΔE 0.051
- Dark Blue Green #005249 ΔE 0.051
Use #17552B 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.