#197B2E
Closest named color: Tree Green (#2A7E19). oklch(51.2% 0.143 146.3), rgb(25, 123, 46).
Aa
White text reads best on this color (5.36:1).
About this color
#197B2E is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.143 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.022 away. White text reads best on it, at 5.36:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #197B2E |
| RGB | rgb(25, 123, 46) |
| HSL | hsl(133, 66%, 29%) |
| OKLCH | oklch(51.2% 0.143 146.3) |
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 #197B2E | 5.36:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #197B2E | 3.91:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #197B2E text on white | 5.36:1 | AA | Lc 76.2 | Fine for body text |
| #197B2E text on black | 3.91:1 | AA large text | Lc -25.5 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CA
oklch(88.4% 0.038 145.2)
-
Step 300
300
#A4CDA6
oklch(80.8% 0.07 146.2)
-
Step 400
400
#71B377
oklch(70.7% 0.11 146.4)
-
Step 500
500
#46A052
oklch(63.2% 0.143 146.3)
-
Step 600
600
#208A36
oklch(55.7% 0.154 146.3)
-
Step 700
700 (this color)
#197B2E
oklch(51.2% 0.143 146.3)
-
Step 800
800
#125F22
oklch(42.6% 0.119 146.2)
-
Step 900
900
#194E21
oklch(37.7% 0.092 146.2)
-
Step 950
950
#102E14
oklch(27% 0.059 146.4)
#197B2E 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) | #7D6F26 | 0.110 |
| Deuteranopia (no green cones) | #726834 | 0.108 |
| Tritanopia (no blue cones) | #00786A | 0.085 |
| Achromatopsia (no color) | #6B6B6B | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #197B2E
#197B2E
oklch(51.2% 0.143 146.3)
- #8F4491
#8F4491
oklch(51.1% 0.143 326.4)
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 #197B2E, closest first.
No curated palette has a color within ΔE 0.04 of #197B2E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.022
- Jungle Green #048243 ΔE 0.026
- Dark Grass Green #388004 ΔE 0.036
- Green #008000 ΔE 0.036
- Forest Green #228B22 ΔE 0.054
- Sea Green #2E8B57 ΔE 0.065
- Emerald Green #028F1E ΔE 0.066
- Dark Olive Green #556B2F ΔE 0.068
Use #197B2E 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.