#197B54
Closest named color: Jungle Green (#048243). oklch(51.9% 0.107 161), rgb(25, 123, 84).
Aa
White text reads best on this color (5.24:1).
About this color
#197B54 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.107 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.037 away. White text reads best on it, at 5.24:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #197B54 |
| RGB | rgb(25, 123, 84) |
| HSL | hsl(156, 66%, 29%) |
| OKLCH | oklch(51.9% 0.107 161) |
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 #197B54 | 5.24:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #197B54 | 4.00:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #197B54 text on white | 5.24:1 | AA | Lc 75.6 | Fine for body text |
| #197B54 text on black | 4.00:1 | AA large text | Lc -26.1 | 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
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#C9DFD3
oklch(88.4% 0.029 162)
-
Step 300
300
#A4CBB6
oklch(80.8% 0.051 161.5)
-
Step 400
400
#70B190
oklch(70.7% 0.083 161.2)
-
Step 500
500
#459D74
oklch(63.1% 0.106 160.8)
-
Step 600
600
#1C885D
oklch(55.7% 0.115 160.9)
-
Step 700
700 (this color)
#197B54
oklch(51.9% 0.107 161)
-
Step 800
800
#105E3F
oklch(42.9% 0.089 160.9)
-
Step 900
900
#184D35
oklch(37.8% 0.07 160.4)
-
Step 950
950
#102D1F
oklch(27% 0.044 160.3)
#197B54 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) | #797152 | 0.102 |
| Deuteranopia (no green cones) | #6D6957 | 0.098 |
| Tritanopia (no blue cones) | #007B71 | 0.044 |
| Achromatopsia (no color) | #6C6C6C | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #197B54
#197B54
oklch(51.9% 0.107 161)
- #914E7B
#914E7B
oklch(51.9% 0.107 340.9)
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 #197B54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.053
- Bluegreen #017A79 ΔE 0.058
- Dark Aquamarine #017371 ΔE 0.059
- Deep Turquoise #017374 ΔE 0.063
- Teal #008080 ΔE 0.064
- Dark Sage #598556 ΔE 0.065
- Dark Olive Green #556B2F ΔE 0.065
Use #197B54 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.