#178367
Closest named color: Sea Green (#2E8B57). oklch(54.5% 0.102 170), rgb(23, 131, 103).
Aa
White text reads best on this color (4.68:1).
About this color
#178367 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.102 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.040 away. White text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.47:1 |
| White text | 4.68:1 |
Values
| HEX | #178367 |
| RGB | rgb(23, 131, 103) |
| HSL | hsl(164, 70%, 30%) |
| OKLCH | oklch(54.5% 0.102 170) |
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 #178367 | 4.68:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #178367 | 4.47:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #178367 text on white | 4.68:1 | AA | Lc 72.1 | Content text, not long reading |
| #178367 text on black | 4.47:1 | AA large text | Lc -29.5 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A4CBBC
oklch(81% 0.046 169.7)
-
Step 400
400
#70B09A
oklch(70.7% 0.074 170.4)
-
Step 500
500
#459C81
oklch(63.2% 0.094 170.1)
-
Step 600
600 (this color)
#178367
oklch(54.5% 0.102 170)
-
Step 700
700
#097258
oklch(49.2% 0.096 169.5)
-
Step 800
800
#105D48
oklch(42.8% 0.079 169.4)
-
Step 900
900
#184C3D
oklch(37.7% 0.061 170.6)
-
Step 950
950
#102D23
oklch(27.1% 0.04 168.2)
#178367 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) | #7F7966 | 0.104 |
| Deuteranopia (no green cones) | #727069 | 0.100 |
| Tritanopia (no blue cones) | #00847B | 0.030 |
| Achromatopsia (no color) | #747474 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #178367
#178367
oklch(54.5% 0.102 170)
- #9C5679
#9C5679
oklch(54.6% 0.102 349.7)
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 #178367, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.040
- Teal #008080 ΔE 0.043
- Viridian #1E9167 ΔE 0.045
- Bluegreen #017A79 ΔE 0.046
- Jungle Green #048243 ΔE 0.052
- Dark Cyan #008B8B ΔE 0.053
- Dark Sage #598556 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.059
Use #178367 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.