#175530
Closest named color: Spruce (#0A5F38). oklch(40% 0.088 153.1), rgb(23, 85, 48).
Aa
White text reads best on this color (8.82:1).
About this color
#175530 is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.031 away. White text reads best on it, at 8.82:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.37:1 |
| White text | 8.82:1 |
Values
| HEX | #175530 |
| RGB | rgb(23, 85, 48) |
| HSL | hsl(144, 57%, 21%) |
| OKLCH | oklch(40% 0.088 153.1) |
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 #175530 | 8.82:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #175530 | 2.37:1 | Fails | Lc 14.1 | Not readable |
| #175530 text on white | 8.82:1 | AAA | Lc 89.9 | Fine for body text |
| #175530 text on black | 2.37:1 | Fails | Lc -12.4 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E1CE
oklch(88.6% 0.037 152.8)
-
Step 300
300
#A0CEAD
oklch(81% 0.067 153.5)
-
Step 400
400
#69B481
oklch(70.7% 0.106 153.2)
-
Step 500
500
#38A061
oklch(63% 0.135 153.2)
-
Step 600
600
#008A49
oklch(55.5% 0.142 153.3)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900 (this color)
#175530
oklch(40% 0.088 153.1)
-
Step 950
950
#0C2E19
oklch(27% 0.056 153.2)
#175530 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) | #554E2D | 0.076 |
| Deuteranopia (no green cones) | #4D4832 | 0.075 |
| Tritanopia (no blue cones) | #00544C | 0.045 |
| Achromatopsia (no color) | #4A4A4A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175530
#175530
oklch(40% 0.088 153.1)
- #63345C
#63345C
oklch(40% 0.088 332.8)
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 #175530, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.031
- Pine #2B5D34 ΔE 0.033
- Navy Green #35530A ΔE 0.040
- Forest #0B5509 ΔE 0.043
- Dark Blue Green #005249 ΔE 0.044
- Deep Green #02590F ΔE 0.044
- Pine Green #0A481E ΔE 0.047
- Evergreen #05472A ΔE 0.050
Use #175530 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.