#174F39
Closest named color: Dark Blue Green (#005249). oklch(38.4% 0.07 163.4), rgb(23, 79, 57).
Aa
White text reads best on this color (9.48:1).
About this color
#174F39 is a dark, muted green. In OKLCH its lightness is 38%, its chroma 0.070 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.025 away. White text reads best on it, at 9.48:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #174F39 |
| RGB | rgb(23, 79, 57) |
| HSL | hsl(156, 55%, 20%) |
| OKLCH | oklch(38.4% 0.07 163.4) |
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 #174F39 | 9.48:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #174F39 | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #174F39 text on white | 9.48:1 | AAA | Lc 91.7 | Preferred for body text |
| #174F39 text on black | 2.21:1 | Fails | Lc -10.7 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A3CCB7
oklch(81% 0.053 162.7)
-
Step 400
400
#6EB192
oklch(70.7% 0.083 163.3)
-
Step 500
500
#409E77
oklch(63.2% 0.108 163.1)
-
Step 600
600
#0F8860
oklch(55.6% 0.116 163.5)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#075E41
oklch(42.8% 0.089 163.3)
-
Step 900
900 (this color)
#174F39
oklch(38.4% 0.07 163.4)
-
Step 950
950
#0E2D20
oklch(26.9% 0.044 163.2)
#174F39 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) | #4E4938 | 0.069 |
| Deuteranopia (no green cones) | #46433A | 0.066 |
| Tritanopia (no blue cones) | #004F49 | 0.027 |
| Achromatopsia (no color) | #464646 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174F39
#174F39
oklch(38.4% 0.07 163.4)
- #5D344D
#5D344D
oklch(38.5% 0.069 343.5)
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 #174F39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.025
- Evergreen #05472A ΔE 0.035
- Dark Teal #014D4E ΔE 0.038
- Pine Green #0A481E ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.047
- Deep Teal #00555A ΔE 0.052
- Spruce #0A5F38 ΔE 0.054
- Pine #2B5D34 ΔE 0.055
Use #174F39 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.