#158B6A
Closest named color: Viridian (#1E9167). oklch(56.8% 0.11 167.9), rgb(21, 139, 106).
Aa
Black text reads best on this color (4.93:1).
About this color
#158B6A is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.110 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.021 away. Black text reads best on it, at 4.93:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #158B6A |
| RGB | rgb(21, 139, 106) |
| HSL | hsl(163, 74%, 31%) |
| OKLCH | oklch(56.8% 0.11 167.9) |
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 #158B6A | 4.25:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #158B6A | 4.93:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #158B6A text on white | 4.25:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #158B6A text on black | 4.93:1 | AA | Lc -32.7 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A2CBBA
oklch(80.8% 0.05 167.9)
-
Step 400
400
#6DB197
oklch(70.7% 0.08 167.8)
-
Step 500
500
#3F9D7D
oklch(63.1% 0.102 167.6)
-
Step 600
600 (this color)
#158B6A
oklch(56.8% 0.11 167.9)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#055D46
oklch(42.6% 0.084 168.4)
-
Step 900
900
#144D3B
oklch(37.8% 0.066 167.9)
-
Step 950
950
#0E2D22
oklch(27% 0.042 167)
#158B6A 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) | #878168 | 0.110 |
| Deuteranopia (no green cones) | #79766C | 0.107 |
| Tritanopia (no blue cones) | #008C82 | 0.035 |
| Achromatopsia (no color) | #7B7B7B | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #158B6A
#158B6A
oklch(56.8% 0.11 167.9)
- #A55A82
#A55A82
oklch(56.7% 0.11 347.9)
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 #158B6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.021
- Sea Green #2E8B57 ΔE 0.027
- Dark Sage #598556 ΔE 0.049
- Ocean Green #3D9973 ΔE 0.050
- Dark Cyan #008B8B ΔE 0.051
- Light Forest Green #4F9153 ΔE 0.053
- Jungle Green #048243 ΔE 0.055
- Teal #008080 ΔE 0.056
Use #158B6A 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.