#17876E
Closest named color: Viridian (#1E9167). oklch(55.8% 0.102 172.8), rgb(23, 135, 110).
Aa
Black text reads best on this color (4.72:1).
About this color
#17876E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.102 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.036 away. Black text reads best on it, at 4.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #17876E |
| RGB | rgb(23, 135, 110) |
| HSL | hsl(167, 71%, 31%) |
| OKLCH | oklch(55.8% 0.102 172.8) |
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 #17876E | 4.44:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #17876E | 4.72:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #17876E text on white | 4.44:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #17876E text on black | 4.72:1 | AA | Lc -31.3 | Non-text elements, placeholder text |
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
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A3CBBE
oklch(81% 0.046 173.3)
-
Step 400
400
#6FB09C
oklch(70.8% 0.073 172.6)
-
Step 500
500
#429C84
oklch(63.1% 0.094 172.9)
-
Step 600
600 (this color)
#17876E
oklch(55.8% 0.102 172.8)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#0B5D4B
oklch(42.8% 0.079 172.9)
-
Step 900
900
#164C3E
oklch(37.7% 0.061 172.4)
-
Step 950
950
#0F2D24
oklch(27.1% 0.04 170.9)
#17876E 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) | #827E6D | 0.105 |
| Deuteranopia (no green cones) | #747370 | 0.101 |
| Tritanopia (no blue cones) | #008880 | 0.027 |
| Achromatopsia (no color) | #787878 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17876E
#17876E
oklch(55.8% 0.102 172.8)
- #A15979
#A15979
oklch(55.7% 0.102 352.8)
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 #17876E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.039
- Teal #008080 ΔE 0.041
- Dark Cyan #008B8B ΔE 0.042
- Bluegreen #017A79 ΔE 0.050
- Dark Sage #598556 ΔE 0.053
- Dusty Teal #4C9085 ΔE 0.057
- Jungle Green #048243 ΔE 0.060
Use #17876E 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.