#174B2B
Closest named color: Evergreen (#05472A). oklch(36.9% 0.078 153.1), rgb(23, 75, 43).
Aa
White text reads best on this color (10.10:1).
About this color
#174B2B is a dark, moderately saturated green. In OKLCH its lightness is 37%, its chroma 0.078 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.018 away. White text reads best on it, at 10.10:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 2.07:1 |
| White text | 10.10:1 |
Values
| HEX | #174B2B |
| RGB | rgb(23, 75, 43) |
| HSL | hsl(143, 53%, 19%) |
| OKLCH | oklch(36.9% 0.078 153.1) |
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 #174B2B | 10.10:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #174B2B | 2.07:1 | Fails | Lc 10.7 | Not readable |
| #174B2B text on white | 10.10:1 | AAA | Lc 93.2 | Preferred for body text |
| #174B2B text on black | 2.07:1 | Fails | Lc -9.3 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A5CCAF
oklch(80.9% 0.058 152.8)
-
Step 400
400
#71B285
oklch(70.7% 0.094 153.2)
-
Step 500
500
#479E66
oklch(63.1% 0.12 153.1)
-
Step 600
600
#21884D
oklch(55.5% 0.129 153.1)
-
Step 700
700
#0F743E
oklch(49.2% 0.121 153)
-
Step 800
800
#135E33
oklch(42.6% 0.1 152.9)
-
Step 900
900 (this color)
#174B2B
oklch(36.9% 0.078 153.1)
-
Step 950
950
#112D1B
oklch(26.9% 0.048 153.5)
#174B2B 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) | #4B4529 | 0.067 |
| Deuteranopia (no green cones) | #44402D | 0.065 |
| Tritanopia (no blue cones) | #034A43 | 0.040 |
| Achromatopsia (no color) | #424242 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174B2B
#174B2B
oklch(36.9% 0.078 153.1)
- #572F51
#572F51
oklch(36.9% 0.077 332.7)
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 #174B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.018
- Pine Green #0A481E ΔE 0.022
- British Racing Green #05480D ΔE 0.039
- Forrest Green #154406 ΔE 0.043
- Darkgreen #054907 ΔE 0.043
- Bottle Green #044A05 ΔE 0.044
- Dark Blue Green #005249 ΔE 0.045
- Racing Green #014600 ΔE 0.050
Use #174B2B 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.