#148B74
Closest named color: Viridian (#1E9167). oklch(57.1% 0.103 175), rgb(20, 139, 116).
Aa
Black text reads best on this color (4.97:1).
About this color
#148B74 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.103 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.031 away. Black text reads best on it, at 4.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #148B74 |
| RGB | rgb(20, 139, 116) |
| HSL | hsl(168, 75%, 31%) |
| OKLCH | oklch(57.1% 0.103 175) |
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 #148B74 | 4.22:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #148B74 | 4.97:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #148B74 text on white | 4.22:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #148B74 text on black | 4.97:1 | AA | Lc -33.0 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD8
oklch(88.5% 0.026 175.5)
-
Step 300
300
#A2CBBF
oklch(80.9% 0.047 175.3)
-
Step 400
400
#6CB09E
oklch(70.7% 0.075 175.3)
-
Step 500
500
#3E9C86
oklch(63.1% 0.095 175)
-
Step 600
600 (this color)
#148B74
oklch(57.1% 0.103 175)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#035D4C
oklch(42.7% 0.08 174.4)
-
Step 900
900
#134C40
oklch(37.7% 0.062 175.7)
-
Step 950
950
#0E2D25
oklch(27.1% 0.04 173.6)
#148B74 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) | #868173 | 0.109 |
| Deuteranopia (no green cones) | #777776 | 0.103 |
| Tritanopia (no blue cones) | #008D84 | 0.023 |
| Achromatopsia (no color) | #7B7B7B | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #148B74
#148B74
oklch(57.1% 0.103 175)
- #A75C7B
#A75C7B
oklch(57.1% 0.104 354.7)
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 #148B74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.031
- Dark Cyan #008B8B ΔE 0.035
- Sea Green #2E8B57 ΔE 0.042
- Teal #008080 ΔE 0.045
- Dusty Teal #4C9085 ΔE 0.048
- Teal Green #0A9396 ΔE 0.051
- Ocean Green #3D9973 ΔE 0.051
- Blue Green #0F9B8E ΔE 0.053
Use #148B74 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.