#197E64
Closest named color: Bluegreen (#017A79). oklch(53.1% 0.097 170.5), rgb(25, 126, 100).
Aa
White text reads best on this color (4.98:1).
About this color
#197E64 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.097 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.039 away. White text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.20:1 |
| White text | 4.98:1 |
Values
| HEX | #197E64 |
| RGB | rgb(25, 126, 100) |
| HSL | hsl(165, 67%, 30%) |
| OKLCH | oklch(53.1% 0.097 170.5) |
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 #197E64 | 4.98:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #197E64 | 4.20:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #197E64 text on white | 4.98:1 | AA | Lc 74.1 | Content text, not long reading |
| #197E64 text on black | 4.20:1 | AA large text | Lc -27.6 | 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
#CADFD7
oklch(88.6% 0.025 170.9)
-
Step 300
300
#A5CABC
oklch(80.8% 0.044 170.2)
-
Step 400
400
#73AF9A
oklch(70.7% 0.07 170.2)
-
Step 500
500
#499B82
oklch(63.1% 0.09 170.9)
-
Step 600
600 (this color)
#197E64
oklch(53.1% 0.097 170.5)
-
Step 700
700
#147159
oklch(49.1% 0.091 170.3)
-
Step 800
800
#165C49
oklch(42.7% 0.075 170.5)
-
Step 900
900
#1B4C3D
oklch(37.8% 0.059 169.9)
-
Step 950
950
#112C24
oklch(26.9% 0.037 171.8)
#197E64 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) | #7A7563 | 0.100 |
| Deuteranopia (no green cones) | #6D6C66 | 0.095 |
| Tritanopia (no blue cones) | #007F77 | 0.028 |
| Achromatopsia (no color) | #6F6F6F | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #197E64
#197E64
oklch(53.1% 0.097 170.5)
- #965373
#965373
oklch(53.1% 0.097 350.9)
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 #197E64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.039
- Teal #008080 ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.052
- Deep Aqua #08787F ΔE 0.052
- Jungle Green #048243 ΔE 0.053
- Viridian #1E9167 ΔE 0.059
Use #197E64 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.