#197B65
Closest named color: Bluegreen (#017A79). oklch(52.3% 0.093 173.3), rgb(25, 123, 101).
Aa
White text reads best on this color (5.16:1).
About this color
#197B65 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.093 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.033 away. White text reads best on it, at 5.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #197B65 |
| RGB | rgb(25, 123, 101) |
| HSL | hsl(167, 66%, 29%) |
| OKLCH | oklch(52.3% 0.093 173.3) |
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 #197B65 | 5.16:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #197B65 | 4.06:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #197B65 text on white | 5.16:1 | AA | Lc 75.2 | Fine for body text |
| #197B65 text on black | 4.06:1 | AA large text | Lc -26.5 | 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 700.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A4CBBE
oklch(81% 0.045 172.8)
-
Step 400
400
#70B09D
oklch(70.8% 0.072 173.4)
-
Step 500
500
#449C84
oklch(63.2% 0.093 172.7)
-
Step 600
600
#19866E
oklch(55.6% 0.1 173.3)
-
Step 700
700 (this color)
#197B65
oklch(52.3% 0.093 173.3)
-
Step 800
800
#0E5C4B
oklch(42.6% 0.076 173.5)
-
Step 900
900
#174C3F
oklch(37.8% 0.06 173.7)
-
Step 950
950
#102C25
oklch(26.9% 0.037 174.8)
#197B65 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) | #777264 | 0.097 |
| Deuteranopia (no green cones) | #6A6967 | 0.093 |
| Tritanopia (no blue cones) | #007C75 | 0.024 |
| Achromatopsia (no color) | #6D6D6D | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #197B65
#197B65
oklch(52.3% 0.093 173.3)
- #93526E
#93526E
oklch(52.3% 0.093 353.5)
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 #197B65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.033
- Dark Aquamarine #017371 ΔE 0.037
- Teal #008080 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.041
- Deep Aqua #08787F ΔE 0.045
- Jungle Green #048243 ΔE 0.060
- Sea Green #2E8B57 ΔE 0.062
- Dark Aqua #05696B ΔE 0.063
Use #197B65 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.