#197A5C
Closest named color: Bluegreen (#017A79). oklch(51.8% 0.099 166.8), rgb(25, 122, 92).
Aa
White text reads best on this color (5.27:1).
About this color
#197A5C is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.099 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.045 away. White text reads best on it, at 5.27:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.97:1 |
| White text | 5.27:1 |
Values
| HEX | #197A5C |
| RGB | rgb(25, 122, 92) |
| HSL | hsl(161, 66%, 29%) |
| OKLCH | oklch(51.8% 0.099 166.8) |
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 #197A5C | 5.27:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #197A5C | 3.97:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #197A5C text on white | 5.27:1 | AA | Lc 75.8 | Fine for body text |
| #197A5C text on black | 3.97:1 | AA large text | Lc -25.9 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD5
oklch(88.5% 0.026 165.6)
-
Step 300
300
#A4CBBA
oklch(80.9% 0.048 166.8)
-
Step 400
400
#70B096
oklch(70.6% 0.077 166.6)
-
Step 500
500
#459C7D
oklch(63% 0.097 167.2)
-
Step 600
600
#1C8766
oklch(55.7% 0.106 166.8)
-
Step 700
700 (this color)
#197A5C
oklch(51.8% 0.099 166.8)
-
Step 800
800
#105D45
oklch(42.7% 0.082 166.5)
-
Step 900
900
#184C3A
oklch(37.6% 0.063 166.7)
-
Step 950
950
#102D22
oklch(27.1% 0.041 166.1)
#197A5C 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) | #77715A | 0.098 |
| Deuteranopia (no green cones) | #6B685E | 0.095 |
| Tritanopia (no blue cones) | #007A72 | 0.034 |
| Achromatopsia (no color) | #6C6C6C | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #197A5C
#197A5C
oklch(51.8% 0.099 166.8)
- #914F73
#914F73
oklch(51.8% 0.099 347.2)
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 #197A5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.050
- Jungle Green #048243 ΔE 0.050
- Teal #008080 ΔE 0.053
- Deep Aqua #08787F ΔE 0.057
- Sea Green #2E8B57 ΔE 0.059
- Dark Sage #598556 ΔE 0.067
Use #197A5C 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.